Home / 18,678,718.80-25,773,325.20-10,529,956.80

Finding the Fourth Proportional to 18,678,718.80, 25,773,325.20 and 10,529,956.80

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Solution

The fourth proportional to 18,678,718.80, 25,773,325.20 and 10,529,956.80 is: 14,529,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,718.80 : 25,773,325.20 = 10,529,956.80 : x
  2. Step 2: Convert to fraction form
    18,678,718.80/25,773,325.20 = 10,529,956.80/x
  3. Step 3: Cross multiply
    18,678,718.80x = 25,773,325.20 × 10,529,956.80
  4. Step 4: Simplify right side
    18,678,718.80x = 271,392,000,948,351.38
  5. Step 5: Solve for x
    x = 271,392,000,948,351.38/18,678,718.80
  6. Step 6: Final answer
    x = 14,529,476.24

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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.