Home / 15,581,376.66-23,478,419.10-12,803,711.70

Finding the Fourth Proportional to 15,581,376.66, 23,478,419.10 and 12,803,711.70

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Solution

The fourth proportional to 15,581,376.66, 23,478,419.10 and 12,803,711.70 is: 19,292,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581,376.66 : 23,478,419.10 = 12,803,711.70 : x
  2. Step 2: Convert to fraction form
    15,581,376.66/23,478,419.10 = 12,803,711.70/x
  3. Step 3: Cross multiply
    15,581,376.66x = 23,478,419.10 × 12,803,711.70
  4. Step 4: Simplify right side
    15,581,376.66x = 300,610,909,328,173.50
  5. Step 5: Solve for x
    x = 300,610,909,328,173.50/15,581,376.66
  6. Step 6: Final answer
    x = 19,292,962.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.