Home / 13,302,737.52-18,357,770.52-7,191,177.36

Finding the Fourth Proportional to 13,302,737.52, 18,357,770.52 and 7,191,177.36

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Solution

The fourth proportional to 13,302,737.52, 18,357,770.52 and 7,191,177.36 is: 9,923,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302,737.52 : 18,357,770.52 = 7,191,177.36 : x
  2. Step 2: Convert to fraction form
    13,302,737.52/18,357,770.52 = 7,191,177.36/x
  3. Step 3: Cross multiply
    13,302,737.52x = 18,357,770.52 × 7,191,177.36
  4. Step 4: Simplify right side
    13,302,737.52x = 132,013,983,743,499.44
  5. Step 5: Solve for x
    x = 132,013,983,743,499.44/13,302,737.52
  6. Step 6: Final answer
    x = 9,923,820.83

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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.