Home / 11,862,462.80-17,779,697.40-8,867,147.60

Finding the Fourth Proportional to 11,862,462.80, 17,779,697.40 and 8,867,147.60

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Solution

The fourth proportional to 11,862,462.80, 17,779,697.40 and 8,867,147.60 is: 13,290,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,462.80 : 17,779,697.40 = 8,867,147.60 : x
  2. Step 2: Convert to fraction form
    11,862,462.80/17,779,697.40 = 8,867,147.60/x
  3. Step 3: Cross multiply
    11,862,462.80x = 17,779,697.40 × 8,867,147.60
  4. Step 4: Simplify right side
    11,862,462.80x = 157,655,201,129,136.22
  5. Step 5: Solve for x
    x = 157,655,201,129,136.22/11,862,462.80
  6. Step 6: Final answer
    x = 13,290,258.84

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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.