Home / 18,739,306.71-25,859,757.53-10,366,985.79

Finding the Fourth Proportional to 18,739,306.71, 25,859,757.53 and 10,366,985.79

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Solution

The fourth proportional to 18,739,306.71, 25,859,757.53 and 10,366,985.79 is: 14,306,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,306.71 : 25,859,757.53 = 10,366,985.79 : x
  2. Step 2: Convert to fraction form
    18,739,306.71/25,859,757.53 = 10,366,985.79/x
  3. Step 3: Cross multiply
    18,739,306.71x = 25,859,757.53 × 10,366,985.79
  4. Step 4: Simplify right side
    18,739,306.71x = 268,087,738,794,520.53
  5. Step 5: Solve for x
    x = 268,087,738,794,520.53/18,739,306.71
  6. Step 6: Final answer
    x = 14,306,171.67

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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.