Home / 8,877,911.68-12,250,204.40-5,391,437.28

Finding the Fourth Proportional to 8,877,911.68, 12,250,204.40 and 5,391,437.28

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Solution

The fourth proportional to 8,877,911.68, 12,250,204.40 and 5,391,437.28 is: 7,439,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,911.68 : 12,250,204.40 = 5,391,437.28 : x
  2. Step 2: Convert to fraction form
    8,877,911.68/12,250,204.40 = 5,391,437.28/x
  3. Step 3: Cross multiply
    8,877,911.68x = 12,250,204.40 × 5,391,437.28
  4. Step 4: Simplify right side
    8,877,911.68x = 66,046,208,689,780.04
  5. Step 5: Solve for x
    x = 66,046,208,689,780.04/8,877,911.68
  6. Step 6: Final answer
    x = 7,439,385.64

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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.