Home / 11,862,464.80-17,779,700.40-8,867,149.60

Finding the Fourth Proportional to 11,862,464.80, 17,779,700.40 and 8,867,149.60

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Solution

The fourth proportional to 11,862,464.80, 17,779,700.40 and 8,867,149.60 is: 13,290,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,464.80 : 17,779,700.40 = 8,867,149.60 : x
  2. Step 2: Convert to fraction form
    11,862,464.80/17,779,700.40 = 8,867,149.60/x
  3. Step 3: Cross multiply
    11,862,464.80x = 17,779,700.40 × 8,867,149.60
  4. Step 4: Simplify right side
    11,862,464.80x = 157,655,263,289,979.81
  5. Step 5: Solve for x
    x = 157,655,263,289,979.81/11,862,464.80
  6. Step 6: Final answer
    x = 13,290,261.84

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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.