Home / 11,862,493.80-17,779,743.90-8,867,178.60

Finding the Fourth Proportional to 11,862,493.80, 17,779,743.90 and 8,867,178.60

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Solution

The fourth proportional to 11,862,493.80, 17,779,743.90 and 8,867,178.60 is: 13,290,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,493.80 : 17,779,743.90 = 8,867,178.60 : x
  2. Step 2: Convert to fraction form
    11,862,493.80/17,779,743.90 = 8,867,178.60/x
  3. Step 3: Cross multiply
    11,862,493.80x = 17,779,743.90 × 8,867,178.60
  4. Step 4: Simplify right side
    11,862,493.80x = 157,656,164,623,560.53
  5. Step 5: Solve for x
    x = 157,656,164,623,560.53/11,862,493.80
  6. Step 6: Final answer
    x = 13,290,305.33

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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.