Home / 28,764,233.70-39,694,380.21-15,711,490.50

Finding the Fourth Proportional to 28,764,233.70, 39,694,380.21 and 15,711,490.50

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Solution

The fourth proportional to 28,764,233.70, 39,694,380.21 and 15,711,490.50 is: 21,681,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764,233.70 : 39,694,380.21 = 15,711,490.50 : x
  2. Step 2: Convert to fraction form
    28,764,233.70/39,694,380.21 = 15,711,490.50/x
  3. Step 3: Cross multiply
    28,764,233.70x = 39,694,380.21 × 15,711,490.50
  4. Step 4: Simplify right side
    28,764,233.70x = 623,657,877,572,803
  5. Step 5: Solve for x
    x = 623,657,877,572,803/28,764,233.70
  6. Step 6: Final answer
    x = 21,681,713.62

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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.