Home / 15,581,377.74-23,478,420.90-12,803,712.78

Finding the Fourth Proportional to 15,581,377.74, 23,478,420.90 and 12,803,712.78

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Solution

The fourth proportional to 15,581,377.74, 23,478,420.90 and 12,803,712.78 is: 19,292,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581,377.74 : 23,478,420.90 = 12,803,712.78 : x
  2. Step 2: Convert to fraction form
    15,581,377.74/23,478,420.90 = 12,803,712.78/x
  3. Step 3: Cross multiply
    15,581,377.74x = 23,478,420.90 × 12,803,712.78
  4. Step 4: Simplify right side
    15,581,377.74x = 300,610,957,731,549.06
  5. Step 5: Solve for x
    x = 300,610,957,731,549.06/15,581,377.74
  6. Step 6: Final answer
    x = 19,292,963.87

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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.