Home / 18,792,033.90-28,188,050.85-15,012,897.90

Finding the Fourth Proportional to 18,792,033.90, 28,188,050.85 and 15,012,897.90

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Solution

The fourth proportional to 18,792,033.90, 28,188,050.85 and 15,012,897.90 is: 22,519,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,033.90 : 28,188,050.85 = 15,012,897.90 : x
  2. Step 2: Convert to fraction form
    18,792,033.90/28,188,050.85 = 15,012,897.90/x
  3. Step 3: Cross multiply
    18,792,033.90x = 28,188,050.85 × 15,012,897.90
  4. Step 4: Simplify right side
    18,792,033.90x = 423,184,329,411,058.25
  5. Step 5: Solve for x
    x = 423,184,329,411,058.25/18,792,033.90
  6. Step 6: Final answer
    x = 22,519,346.85

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.