Home / 8,991,008.30-13,486,512.45-5,400,829.10

Finding the Fourth Proportional to 8,991,008.30, 13,486,512.45 and 5,400,829.10

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Solution

The fourth proportional to 8,991,008.30, 13,486,512.45 and 5,400,829.10 is: 8,101,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,008.30 : 13,486,512.45 = 5,400,829.10 : x
  2. Step 2: Convert to fraction form
    8,991,008.30/13,486,512.45 = 5,400,829.10/x
  3. Step 3: Cross multiply
    8,991,008.30x = 13,486,512.45 × 5,400,829.10
  4. Step 4: Simplify right side
    8,991,008.30x = 72,838,348,897,472.28
  5. Step 5: Solve for x
    x = 72,838,348,897,472.28/8,991,008.30
  6. Step 6: Final answer
    x = 8,101,243.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.