Home / 12,201,779.66-16,839,949.28-7,045,132.55

Finding the Fourth Proportional to 12,201,779.66, 16,839,949.28 and 7,045,132.55

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Solution

The fourth proportional to 12,201,779.66, 16,839,949.28 and 7,045,132.55 is: 9,723,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,779.66 : 16,839,949.28 = 7,045,132.55 : x
  2. Step 2: Convert to fraction form
    12,201,779.66/16,839,949.28 = 7,045,132.55/x
  3. Step 3: Cross multiply
    12,201,779.66x = 16,839,949.28 × 7,045,132.55
  4. Step 4: Simplify right side
    12,201,779.66x = 118,639,674,693,451.64
  5. Step 5: Solve for x
    x = 118,639,674,693,451.64/12,201,779.66
  6. Step 6: Final answer
    x = 9,723,145.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.