Home / 13,044,339.28-18,002,848.84-7,887,737.44

Finding the Fourth Proportional to 13,044,339.28, 18,002,848.84 and 7,887,737.44

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Solution

The fourth proportional to 13,044,339.28, 18,002,848.84 and 7,887,737.44 is: 10,886,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044,339.28 : 18,002,848.84 = 7,887,737.44 : x
  2. Step 2: Convert to fraction form
    13,044,339.28/18,002,848.84 = 7,887,737.44/x
  3. Step 3: Cross multiply
    13,044,339.28x = 18,002,848.84 × 7,887,737.44
  4. Step 4: Simplify right side
    13,044,339.28x = 142,001,744,821,928.56
  5. Step 5: Solve for x
    x = 142,001,744,821,928.56/13,044,339.28
  6. Step 6: Final answer
    x = 10,886,081.83

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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.