Home / 18,189,972.11-25,102,263.46-10,349,484.16

Finding the Fourth Proportional to 18,189,972.11, 25,102,263.46 and 10,349,484.16

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Solution

The fourth proportional to 18,189,972.11, 25,102,263.46 and 10,349,484.16 is: 14,282,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,972.11 : 25,102,263.46 = 10,349,484.16 : x
  2. Step 2: Convert to fraction form
    18,189,972.11/25,102,263.46 = 10,349,484.16/x
  3. Step 3: Cross multiply
    18,189,972.11x = 25,102,263.46 × 10,349,484.16
  4. Step 4: Simplify right side
    18,189,972.11x = 259,795,478,108,773.12
  5. Step 5: Solve for x
    x = 259,795,478,108,773.12/18,189,972.11
  6. Step 6: Final answer
    x = 14,282,346.15

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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.