Home / 12,950,882.52-17,872,110.99-7,149,541.02

Finding the Fourth Proportional to 12,950,882.52, 17,872,110.99 and 7,149,541.02

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Solution

The fourth proportional to 12,950,882.52, 17,872,110.99 and 7,149,541.02 is: 9,866,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,882.52 : 17,872,110.99 = 7,149,541.02 : x
  2. Step 2: Convert to fraction form
    12,950,882.52/17,872,110.99 = 7,149,541.02/x
  3. Step 3: Cross multiply
    12,950,882.52x = 17,872,110.99 × 7,149,541.02
  4. Step 4: Simplify right side
    12,950,882.52x = 127,777,390,636,997.80
  5. Step 5: Solve for x
    x = 127,777,390,636,997.80/12,950,882.52
  6. Step 6: Final answer
    x = 9,866,307.60

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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.