Home / 8,687,454.09-11,988,688.10-4,819,966.04

Finding the Fourth Proportional to 8,687,454.09, 11,988,688.10 and 4,819,966.04

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Solution

The fourth proportional to 8,687,454.09, 11,988,688.10 and 4,819,966.04 is: 6,651,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,454.09 : 11,988,688.10 = 4,819,966.04 : x
  2. Step 2: Convert to fraction form
    8,687,454.09/11,988,688.10 = 4,819,966.04/x
  3. Step 3: Cross multiply
    8,687,454.09x = 11,988,688.10 × 4,819,966.04
  4. Step 4: Simplify right side
    8,687,454.09x = 57,785,069,422,108.86
  5. Step 5: Solve for x
    x = 57,785,069,422,108.86/8,687,454.09
  6. Step 6: Final answer
    x = 6,651,553.93

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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.