Home / 9,163,387.60-13,745,081.40-7,681,454.80

Finding the Fourth Proportional to 9,163,387.60, 13,745,081.40 and 7,681,454.80

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Solution

The fourth proportional to 9,163,387.60, 13,745,081.40 and 7,681,454.80 is: 11,522,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,387.60 : 13,745,081.40 = 7,681,454.80 : x
  2. Step 2: Convert to fraction form
    9,163,387.60/13,745,081.40 = 7,681,454.80/x
  3. Step 3: Cross multiply
    9,163,387.60x = 13,745,081.40 × 7,681,454.80
  4. Step 4: Simplify right side
    9,163,387.60x = 105,582,221,496,420.72
  5. Step 5: Solve for x
    x = 105,582,221,496,420.72/9,163,387.60
  6. Step 6: Final answer
    x = 11,522,182.20

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Similar ratio
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1.5x scale

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.