Home / 9,978,426.58-14,967,639.87-8,902,258.55

Finding the Fourth Proportional to 9,978,426.58, 14,967,639.87 and 8,902,258.55

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Solution

The fourth proportional to 9,978,426.58, 14,967,639.87 and 8,902,258.55 is: 13,353,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,978,426.58 : 14,967,639.87 = 8,902,258.55 : x
  2. Step 2: Convert to fraction form
    9,978,426.58/14,967,639.87 = 8,902,258.55/x
  3. Step 3: Cross multiply
    9,978,426.58x = 14,967,639.87 × 8,902,258.55
  4. Step 4: Simplify right side
    9,978,426.58x = 133,245,799,961,517.11
  5. Step 5: Solve for x
    x = 133,245,799,961,517.11/9,978,426.58
  6. Step 6: Final answer
    x = 13,353,387.83

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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.