Home / 28,764,227.95-39,694,372.27-15,711,484.75

Finding the Fourth Proportional to 28,764,227.95, 39,694,372.27 and 15,711,484.75

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Solution

The fourth proportional to 28,764,227.95, 39,694,372.27 and 15,711,484.75 is: 21,681,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764,227.95 : 39,694,372.27 = 15,711,484.75 : x
  2. Step 2: Convert to fraction form
    28,764,227.95/39,694,372.27 = 15,711,484.75/x
  3. Step 3: Cross multiply
    28,764,227.95x = 39,694,372.27 × 15,711,484.75
  4. Step 4: Simplify right side
    28,764,227.95x = 623,657,524,580,927.88
  5. Step 5: Solve for x
    x = 623,657,524,580,927.88/28,764,227.95
  6. Step 6: Final answer
    x = 21,681,705.68

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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.