Home / 28,377,443.61-39,160,871.78-15,324,702.14

Finding the Fourth Proportional to 28,377,443.61, 39,160,871.78 and 15,324,702.14

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Solution

The fourth proportional to 28,377,443.61, 39,160,871.78 and 15,324,702.14 is: 21,148,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,443.61 : 39,160,871.78 = 15,324,702.14 : x
  2. Step 2: Convert to fraction form
    28,377,443.61/39,160,871.78 = 15,324,702.14/x
  3. Step 3: Cross multiply
    28,377,443.61x = 39,160,871.78 × 15,324,702.14
  4. Step 4: Simplify right side
    28,377,443.61x = 600,128,695,571,231.62
  5. Step 5: Solve for x
    x = 600,128,695,571,231.62/28,377,443.61
  6. Step 6: Final answer
    x = 21,148,088.74

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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.