Home / 19,476,721.60-29,215,082.40-18,732,704.20

Finding the Fourth Proportional to 19,476,721.60, 29,215,082.40 and 18,732,704.20

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Solution

The fourth proportional to 19,476,721.60, 29,215,082.40 and 18,732,704.20 is: 28,099,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,721.60 : 29,215,082.40 = 18,732,704.20 : x
  2. Step 2: Convert to fraction form
    19,476,721.60/29,215,082.40 = 18,732,704.20/x
  3. Step 3: Cross multiply
    19,476,721.60x = 29,215,082.40 × 18,732,704.20
  4. Step 4: Simplify right side
    19,476,721.60x = 547,277,496,777,826
  5. Step 5: Solve for x
    x = 547,277,496,777,826/19,476,721.60
  6. Step 6: Final answer
    x = 28,099,056.30

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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.