Home / 18,477,704.12-25,499,396.64-10,218,325.28

Finding the Fourth Proportional to 18,477,704.12, 25,499,396.64 and 10,218,325.28

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Solution

The fourth proportional to 18,477,704.12, 25,499,396.64 and 10,218,325.28 is: 14,101,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,704.12 : 25,499,396.64 = 10,218,325.28 : x
  2. Step 2: Convert to fraction form
    18,477,704.12/25,499,396.64 = 10,218,325.28/x
  3. Step 3: Cross multiply
    18,477,704.12x = 25,499,396.64 × 10,218,325.28
  4. Step 4: Simplify right side
    18,477,704.12x = 260,561,129,311,259.06
  5. Step 5: Solve for x
    x = 260,561,129,311,259.06/18,477,704.12
  6. Step 6: Final answer
    x = 14,101,380.11

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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.