Home / 10,156,542.40-14,015,559.52-5,572,749.76

Finding the Fourth Proportional to 10,156,542.40, 14,015,559.52 and 5,572,749.76

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Solution

The fourth proportional to 10,156,542.40, 14,015,559.52 and 5,572,749.76 is: 7,690,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,542.40 : 14,015,559.52 = 5,572,749.76 : x
  2. Step 2: Convert to fraction form
    10,156,542.40/14,015,559.52 = 5,572,749.76/x
  3. Step 3: Cross multiply
    10,156,542.40x = 14,015,559.52 × 5,572,749.76
  4. Step 4: Simplify right side
    10,156,542.40x = 78,105,205,951,345.70
  5. Step 5: Solve for x
    x = 78,105,205,951,345.70/10,156,542.40
  6. Step 6: Final answer
    x = 7,690,137.34

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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.