Home / 28,115,333.28-42,124,856.76-15,344,798.76

Finding the Fourth Proportional to 28,115,333.28, 42,124,856.76 and 15,344,798.76

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Solution

The fourth proportional to 28,115,333.28, 42,124,856.76 and 15,344,798.76 is: 22,990,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,333.28 : 42,124,856.76 = 15,344,798.76 : x
  2. Step 2: Convert to fraction form
    28,115,333.28/42,124,856.76 = 15,344,798.76/x
  3. Step 3: Cross multiply
    28,115,333.28x = 42,124,856.76 × 15,344,798.76
  4. Step 4: Simplify right side
    28,115,333.28x = 646,397,449,776,025.62
  5. Step 5: Solve for x
    x = 646,397,449,776,025.62/28,115,333.28
  6. Step 6: Final answer
    x = 22,990,922.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.