Home / 18,739,306.83-25,859,757.70-10,366,985.91

Finding the Fourth Proportional to 18,739,306.83, 25,859,757.70 and 10,366,985.91

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Solution

The fourth proportional to 18,739,306.83, 25,859,757.70 and 10,366,985.91 is: 14,306,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,306.83 : 25,859,757.70 = 10,366,985.91 : x
  2. Step 2: Convert to fraction form
    18,739,306.83/25,859,757.70 = 10,366,985.91/x
  3. Step 3: Cross multiply
    18,739,306.83x = 25,859,757.70 × 10,366,985.91
  4. Step 4: Simplify right side
    18,739,306.83x = 268,087,743,711,914
  5. Step 5: Solve for x
    x = 268,087,743,711,914/18,739,306.83
  6. Step 6: Final answer
    x = 14,306,171.84

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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.