Home / 15,753,886.24-21,740,059.92-8,878,230.40

Finding the Fourth Proportional to 15,753,886.24, 21,740,059.92 and 8,878,230.40

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Solution

The fourth proportional to 15,753,886.24, 21,740,059.92 and 8,878,230.40 is: 12,251,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,886.24 : 21,740,059.92 = 8,878,230.40 : x
  2. Step 2: Convert to fraction form
    15,753,886.24/21,740,059.92 = 8,878,230.40/x
  3. Step 3: Cross multiply
    15,753,886.24x = 21,740,059.92 × 8,878,230.40
  4. Step 4: Simplify right side
    15,753,886.24x = 193,013,260,879,565.59
  5. Step 5: Solve for x
    x = 193,013,260,879,565.59/15,753,886.24
  6. Step 6: Final answer
    x = 12,251,787.14

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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.