Home / 28,709,625.60-39,618,394.92-16,321,070.88

Finding the Fourth Proportional to 28,709,625.60, 39,618,394.92 and 16,321,070.88

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Solution

The fourth proportional to 28,709,625.60, 39,618,394.92 and 16,321,070.88 is: 22,522,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709,625.60 : 39,618,394.92 = 16,321,070.88 : x
  2. Step 2: Convert to fraction form
    28,709,625.60/39,618,394.92 = 16,321,070.88/x
  3. Step 3: Cross multiply
    28,709,625.60x = 39,618,394.92 × 16,321,070.88
  4. Step 4: Simplify right side
    28,709,625.60x = 646,614,631,641,152
  5. Step 5: Solve for x
    x = 646,614,631,641,152/28,709,625.60
  6. Step 6: Final answer
    x = 22,522,572.77

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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.