Home / 18,729,397.85-25,849,857.98-10,891,335.65

Finding the Fourth Proportional to 18,729,397.85, 25,849,857.98 and 10,891,335.65

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Solution

The fourth proportional to 18,729,397.85, 25,849,857.98 and 10,891,335.65 is: 15,031,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,397.85 : 25,849,857.98 = 10,891,335.65 : x
  2. Step 2: Convert to fraction form
    18,729,397.85/25,849,857.98 = 10,891,335.65/x
  3. Step 3: Cross multiply
    18,729,397.85x = 25,849,857.98 × 10,891,335.65
  4. Step 4: Simplify right side
    18,729,397.85x = 281,539,479,662,990.06
  5. Step 5: Solve for x
    x = 281,539,479,662,990.06/18,729,397.85
  6. Step 6: Final answer
    x = 15,031,955.75

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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.