Home / 21,732,902.20-32,552,114.10-13,198,353.40

Finding the Fourth Proportional to 21,732,902.20, 32,552,114.10 and 13,198,353.40

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Solution

The fourth proportional to 21,732,902.20, 32,552,114.10 and 13,198,353.40 is: 19,768,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732,902.20 : 32,552,114.10 = 13,198,353.40 : x
  2. Step 2: Convert to fraction form
    21,732,902.20/32,552,114.10 = 13,198,353.40/x
  3. Step 3: Cross multiply
    21,732,902.20x = 32,552,114.10 × 13,198,353.40
  4. Step 4: Simplify right side
    21,732,902.20x = 429,634,305,808,923
  5. Step 5: Solve for x
    x = 429,634,305,808,923/21,732,902.20
  6. Step 6: Final answer
    x = 19,768,841.82

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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.