Home / 14,491,069.20-21,711,720.60-9,439,779.60

Finding the Fourth Proportional to 14,491,069.20, 21,711,720.60 and 9,439,779.60

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Solution

The fourth proportional to 14,491,069.20, 21,711,720.60 and 9,439,779.60 is: 14,143,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491,069.20 : 21,711,720.60 = 9,439,779.60 : x
  2. Step 2: Convert to fraction form
    14,491,069.20/21,711,720.60 = 9,439,779.60/x
  3. Step 3: Cross multiply
    14,491,069.20x = 21,711,720.60 × 9,439,779.60
  4. Step 4: Simplify right side
    14,491,069.20x = 204,953,857,200,779.78
  5. Step 5: Solve for x
    x = 204,953,857,200,779.78/14,491,069.20
  6. Step 6: Final answer
    x = 14,143,459.97

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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.