Home / 9,187,155.30-13,780,732.95-6,447,281.70

Finding the Fourth Proportional to 9,187,155.30, 13,780,732.95 and 6,447,281.70

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Solution

The fourth proportional to 9,187,155.30, 13,780,732.95 and 6,447,281.70 is: 9,670,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,155.30 : 13,780,732.95 = 6,447,281.70 : x
  2. Step 2: Convert to fraction form
    9,187,155.30/13,780,732.95 = 6,447,281.70/x
  3. Step 3: Cross multiply
    9,187,155.30x = 13,780,732.95 × 6,447,281.70
  4. Step 4: Simplify right side
    9,187,155.30x = 88,848,267,361,122.02
  5. Step 5: Solve for x
    x = 88,848,267,361,122.02/9,187,155.30
  6. Step 6: Final answer
    x = 9,670,922.55

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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.