Home / 28,294,731.42-39,046,945.15-15,735,961.83

Finding the Fourth Proportional to 28,294,731.42, 39,046,945.15 and 15,735,961.83

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Solution

The fourth proportional to 28,294,731.42, 39,046,945.15 and 15,735,961.83 is: 21,715,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,731.42 : 39,046,945.15 = 15,735,961.83 : x
  2. Step 2: Convert to fraction form
    28,294,731.42/39,046,945.15 = 15,735,961.83/x
  3. Step 3: Cross multiply
    28,294,731.42x = 39,046,945.15 × 15,735,961.83
  4. Step 4: Simplify right side
    28,294,731.42x = 614,441,238,624,599.62
  5. Step 5: Solve for x
    x = 614,441,238,624,599.62/28,294,731.42
  6. Step 6: Final answer
    x = 21,715,747.34

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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.