Home / 10,929,964.56-15,084,630.46-9,091,178.70

Finding the Fourth Proportional to 10,929,964.56, 15,084,630.46 and 9,091,178.70

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Solution

The fourth proportional to 10,929,964.56, 15,084,630.46 and 9,091,178.70 is: 12,546,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,964.56 : 15,084,630.46 = 9,091,178.70 : x
  2. Step 2: Convert to fraction form
    10,929,964.56/15,084,630.46 = 9,091,178.70/x
  3. Step 3: Cross multiply
    10,929,964.56x = 15,084,630.46 × 9,091,178.70
  4. Step 4: Simplify right side
    10,929,964.56x = 137,137,071,135,323.20
  5. Step 5: Solve for x
    x = 137,137,071,135,323.20/10,929,964.56
  6. Step 6: Final answer
    x = 12,546,890.74

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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.