Home / 7,402,139.40-11,103,209.10-2,353,960.20

Finding the Fourth Proportional to 7,402,139.40, 11,103,209.10 and 2,353,960.20

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Solution

The fourth proportional to 7,402,139.40, 11,103,209.10 and 2,353,960.20 is: 3,530,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,139.40 : 11,103,209.10 = 2,353,960.20 : x
  2. Step 2: Convert to fraction form
    7,402,139.40/11,103,209.10 = 2,353,960.20/x
  3. Step 3: Cross multiply
    7,402,139.40x = 11,103,209.10 × 2,353,960.20
  4. Step 4: Simplify right side
    7,402,139.40x = 26,136,512,313,677.82
  5. Step 5: Solve for x
    x = 26,136,512,313,677.82/7,402,139.40
  6. Step 6: Final answer
    x = 3,530,940.30

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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.