Home / 8,266,999.90-12,400,499.85-3,779,275.90

Finding the Fourth Proportional to 8,266,999.90, 12,400,499.85 and 3,779,275.90

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Solution

The fourth proportional to 8,266,999.90, 12,400,499.85 and 3,779,275.90 is: 5,668,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,999.90 : 12,400,499.85 = 3,779,275.90 : x
  2. Step 2: Convert to fraction form
    8,266,999.90/12,400,499.85 = 3,779,275.90/x
  3. Step 3: Cross multiply
    8,266,999.90x = 12,400,499.85 × 3,779,275.90
  4. Step 4: Simplify right side
    8,266,999.90x = 46,864,910,231,058.61
  5. Step 5: Solve for x
    x = 46,864,910,231,058.61/8,266,999.90
  6. Step 6: Final answer
    x = 5,668,913.85

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Similar ratio
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1.5x scale

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.