Home / 8,974,780.48-12,385,040.88-5,107,221.28

Finding the Fourth Proportional to 8,974,780.48, 12,385,040.88 and 5,107,221.28

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Solution

The fourth proportional to 8,974,780.48, 12,385,040.88 and 5,107,221.28 is: 7,047,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974,780.48 : 12,385,040.88 = 5,107,221.28 : x
  2. Step 2: Convert to fraction form
    8,974,780.48/12,385,040.88 = 5,107,221.28/x
  3. Step 3: Cross multiply
    8,974,780.48x = 12,385,040.88 × 5,107,221.28
  4. Step 4: Simplify right side
    8,974,780.48x = 63,253,144,336,005.94
  5. Step 5: Solve for x
    x = 63,253,144,336,005.94/8,974,780.48
  6. Step 6: Final answer
    x = 7,047,876.49

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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.