Home / 8,439,686.38-11,646,702.61-4,572,179.79

Finding the Fourth Proportional to 8,439,686.38, 11,646,702.61 and 4,572,179.79

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Solution

The fourth proportional to 8,439,686.38, 11,646,702.61 and 4,572,179.79 is: 6,309,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,686.38 : 11,646,702.61 = 4,572,179.79 : x
  2. Step 2: Convert to fraction form
    8,439,686.38/11,646,702.61 = 4,572,179.79/x
  3. Step 3: Cross multiply
    8,439,686.38x = 11,646,702.61 × 4,572,179.79
  4. Step 4: Simplify right side
    8,439,686.38x = 53,250,818,293,582.25
  5. Step 5: Solve for x
    x = 53,250,818,293,582.25/8,439,686.38
  6. Step 6: Final answer
    x = 6,309,573.12

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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.