Home / 28,834,044.64-39,789,362.64-15,781,276.96

Finding the Fourth Proportional to 28,834,044.64, 39,789,362.64 and 15,781,276.96

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Solution

The fourth proportional to 28,834,044.64, 39,789,362.64 and 15,781,276.96 is: 21,777,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834,044.64 : 39,789,362.64 = 15,781,276.96 : x
  2. Step 2: Convert to fraction form
    28,834,044.64/39,789,362.64 = 15,781,276.96/x
  3. Step 3: Cross multiply
    28,834,044.64x = 39,789,362.64 × 15,781,276.96
  4. Step 4: Simplify right side
    28,834,044.64x = 627,926,951,883,716.88
  5. Step 5: Solve for x
    x = 627,926,951,883,716.88/28,834,044.64
  6. Step 6: Final answer
    x = 21,777,276.12

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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.