Home / 9,220,839.64-13,840,998.90-5,180,779.96

Finding the Fourth Proportional to 9,220,839.64, 13,840,998.90 and 5,180,779.96

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Solution

The fourth proportional to 9,220,839.64, 13,840,998.90 and 5,180,779.96 is: 7,776,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,839.64 : 13,840,998.90 = 5,180,779.96 : x
  2. Step 2: Convert to fraction form
    9,220,839.64/13,840,998.90 = 5,180,779.96/x
  3. Step 3: Cross multiply
    9,220,839.64x = 13,840,998.90 × 5,180,779.96
  4. Step 4: Simplify right side
    9,220,839.64x = 71,707,169,727,502.05
  5. Step 5: Solve for x
    x = 71,707,169,727,502.05/9,220,839.64
  6. Step 6: Final answer
    x = 7,776,642.10

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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.