Home / 9,139,848.20-12,612,719.90-5,009,791.04

Finding the Fourth Proportional to 9,139,848.20, 12,612,719.90 and 5,009,791.04

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Solution

The fourth proportional to 9,139,848.20, 12,612,719.90 and 5,009,791.04 is: 6,913,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,848.20 : 12,612,719.90 = 5,009,791.04 : x
  2. Step 2: Convert to fraction form
    9,139,848.20/12,612,719.90 = 5,009,791.04/x
  3. Step 3: Cross multiply
    9,139,848.20x = 12,612,719.90 × 5,009,791.04
  4. Step 4: Simplify right side
    9,139,848.20x = 63,187,091,145,049.70
  5. Step 5: Solve for x
    x = 63,187,091,145,049.70/9,139,848.20
  6. Step 6: Final answer
    x = 6,913,363.30

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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.