Home / 12,129,517.16-16,736,757.90-7,167,268

Finding the Fourth Proportional to 12,129,517.16, 16,736,757.90 and 7,167,268

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Solution

The fourth proportional to 12,129,517.16, 16,736,757.90 and 7,167,268 is: 9,889,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,517.16 : 16,736,757.90 = 7,167,268 : x
  2. Step 2: Convert to fraction form
    12,129,517.16/16,736,757.90 = 7,167,268/x
  3. Step 3: Cross multiply
    12,129,517.16x = 16,736,757.90 × 7,167,268
  4. Step 4: Simplify right side
    12,129,517.16x = 119,956,829,320,417.20
  5. Step 5: Solve for x
    x = 119,956,829,320,417.20/12,129,517.16
  6. Step 6: Final answer
    x = 9,889,662.36

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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.