Home / 12,687,484.52-17,508,747.84-6,886,268.36

Finding the Fourth Proportional to 12,687,484.52, 17,508,747.84 and 6,886,268.36

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Solution

The fourth proportional to 12,687,484.52, 17,508,747.84 and 6,886,268.36 is: 9,503,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,484.52 : 17,508,747.84 = 6,886,268.36 : x
  2. Step 2: Convert to fraction form
    12,687,484.52/17,508,747.84 = 6,886,268.36/x
  3. Step 3: Cross multiply
    12,687,484.52x = 17,508,747.84 × 6,886,268.36
  4. Step 4: Simplify right side
    12,687,484.52x = 120,569,936,273,810.34
  5. Step 5: Solve for x
    x = 120,569,936,273,810.34/12,687,484.52
  6. Step 6: Final answer
    x = 9,503,060.76

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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.