Home / 30,521,011.20-45,781,516.80-26,411,200.80

Finding the Fourth Proportional to 30,521,011.20, 45,781,516.80 and 26,411,200.80

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Solution

The fourth proportional to 30,521,011.20, 45,781,516.80 and 26,411,200.80 is: 39,616,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,011.20 : 45,781,516.80 = 26,411,200.80 : x
  2. Step 2: Convert to fraction form
    30,521,011.20/45,781,516.80 = 26,411,200.80/x
  3. Step 3: Cross multiply
    30,521,011.20x = 45,781,516.80 × 26,411,200.80
  4. Step 4: Simplify right side
    30,521,011.20x = 1,209,144,833,133,373.50
  5. Step 5: Solve for x
    x = 1,209,144,833,133,373.50/30,521,011.20
  6. Step 6: Final answer
    x = 39,616,801.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.