Home / 15,815,128.98-23,723,734.35-4,143,786.20

Finding the Fourth Proportional to 15,815,128.98, 23,723,734.35 and 4,143,786.20

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Solution

The fourth proportional to 15,815,128.98, 23,723,734.35 and 4,143,786.20 is: 6,215,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,128.98 : 23,723,734.35 = 4,143,786.20 : x
  2. Step 2: Convert to fraction form
    15,815,128.98/23,723,734.35 = 4,143,786.20/x
  3. Step 3: Cross multiply
    15,815,128.98x = 23,723,734.35 × 4,143,786.20
  4. Step 4: Simplify right side
    15,815,128.98x = 98,306,082,991,277.03
  5. Step 5: Solve for x
    x = 98,306,082,991,277.03/15,815,128.98
  6. Step 6: Final answer
    x = 6,215,952.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.