Home / 8,667,726.38-11,955,702.90-5,574,160.92

Finding the Fourth Proportional to 8,667,726.38, 11,955,702.90 and 5,574,160.92

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Solution

The fourth proportional to 8,667,726.38, 11,955,702.90 and 5,574,160.92 is: 7,688,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,726.38 : 11,955,702.90 = 5,574,160.92 : x
  2. Step 2: Convert to fraction form
    8,667,726.38/11,955,702.90 = 5,574,160.92/x
  3. Step 3: Cross multiply
    8,667,726.38x = 11,955,702.90 × 5,574,160.92
  4. Step 4: Simplify right side
    8,667,726.38x = 66,643,011,876,310.67
  5. Step 5: Solve for x
    x = 66,643,011,876,310.67/8,667,726.38
  6. Step 6: Final answer
    x = 7,688,638.17

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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.