Home / 12,713,940.43-17,545,031.09-6,912,868.25

Finding the Fourth Proportional to 12,713,940.43, 17,545,031.09 and 6,912,868.25

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Solution

The fourth proportional to 12,713,940.43, 17,545,031.09 and 6,912,868.25 is: 9,539,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,940.43 : 17,545,031.09 = 6,912,868.25 : x
  2. Step 2: Convert to fraction form
    12,713,940.43/17,545,031.09 = 6,912,868.25/x
  3. Step 3: Cross multiply
    12,713,940.43x = 17,545,031.09 × 6,912,868.25
  4. Step 4: Simplify right side
    12,713,940.43x = 121,286,488,402,545.41
  5. Step 5: Solve for x
    x = 121,286,488,402,545.41/12,713,940.43
  6. Step 6: Final answer
    x = 9,539,645.80

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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.