Home / 10,498,814.15-15,748,221.23-8,705,200.78

Finding the Fourth Proportional to 10,498,814.15, 15,748,221.23 and 8,705,200.78

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Solution

The fourth proportional to 10,498,814.15, 15,748,221.23 and 8,705,200.78 is: 13,057,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498,814.15 : 15,748,221.23 = 8,705,200.78 : x
  2. Step 2: Convert to fraction form
    10,498,814.15/15,748,221.23 = 8,705,200.78/x
  3. Step 3: Cross multiply
    10,498,814.15x = 15,748,221.23 × 8,705,200.78
  4. Step 4: Simplify right side
    10,498,814.15x = 137,091,427,612,741.45
  5. Step 5: Solve for x
    x = 137,091,427,612,741.45/10,498,814.15
  6. Step 6: Final answer
    x = 13,057,801.16

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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.