Home / 28,427,729.92-39,230,265.92-15,374,989.76

Finding the Fourth Proportional to 28,427,729.92, 39,230,265.92 and 15,374,989.76

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Solution

The fourth proportional to 28,427,729.92, 39,230,265.92 and 15,374,989.76 is: 21,217,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427,729.92 : 39,230,265.92 = 15,374,989.76 : x
  2. Step 2: Convert to fraction form
    28,427,729.92/39,230,265.92 = 15,374,989.76/x
  3. Step 3: Cross multiply
    28,427,729.92x = 39,230,265.92 × 15,374,989.76
  4. Step 4: Simplify right side
    28,427,729.92x = 603,164,936,802,077
  5. Step 5: Solve for x
    x = 603,164,936,802,077/28,427,729.92
  6. Step 6: Final answer
    x = 21,217,485.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.