Home / 10,310,147.10-15,465,220.65-8,861,478.30

Finding the Fourth Proportional to 10,310,147.10, 15,465,220.65 and 8,861,478.30

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Solution

The fourth proportional to 10,310,147.10, 15,465,220.65 and 8,861,478.30 is: 13,292,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310,147.10 : 15,465,220.65 = 8,861,478.30 : x
  2. Step 2: Convert to fraction form
    10,310,147.10/15,465,220.65 = 8,861,478.30/x
  3. Step 3: Cross multiply
    10,310,147.10x = 15,465,220.65 × 8,861,478.30
  4. Step 4: Simplify right side
    10,310,147.10x = 137,044,717,194,686.91
  5. Step 5: Solve for x
    x = 137,044,717,194,686.91/10,310,147.10
  6. Step 6: Final answer
    x = 13,292,217.45

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Double scale
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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.