Home / 18,420,115.13-25,419,313.52-10,160,000.07

Finding the Fourth Proportional to 18,420,115.13, 25,419,313.52 and 10,160,000.07

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Solution

The fourth proportional to 18,420,115.13, 25,419,313.52 and 10,160,000.07 is: 14,020,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420,115.13 : 25,419,313.52 = 10,160,000.07 : x
  2. Step 2: Convert to fraction form
    18,420,115.13/25,419,313.52 = 10,160,000.07/x
  3. Step 3: Cross multiply
    18,420,115.13x = 25,419,313.52 × 10,160,000.07
  4. Step 4: Simplify right side
    18,420,115.13x = 258,260,227,034,529.53
  5. Step 5: Solve for x
    x = 258,260,227,034,529.53/18,420,115.13
  6. Step 6: Final answer
    x = 14,020,554.44

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1.5x scale

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.