Home / 7,101,312.80-10,651,969.20-5,920,332.80

Finding the Fourth Proportional to 7,101,312.80, 10,651,969.20 and 5,920,332.80

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Solution

The fourth proportional to 7,101,312.80, 10,651,969.20 and 5,920,332.80 is: 8,880,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,312.80 : 10,651,969.20 = 5,920,332.80 : x
  2. Step 2: Convert to fraction form
    7,101,312.80/10,651,969.20 = 5,920,332.80/x
  3. Step 3: Cross multiply
    7,101,312.80x = 10,651,969.20 × 5,920,332.80
  4. Step 4: Simplify right side
    7,101,312.80x = 63,063,202,639,349.75
  5. Step 5: Solve for x
    x = 63,063,202,639,349.75/7,101,312.80
  6. Step 6: Final answer
    x = 8,880,499.20

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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.