Home / 19,720,301.40-29,580,452.10-11,217,245.40

Finding the Fourth Proportional to 19,720,301.40, 29,580,452.10 and 11,217,245.40

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Solution

The fourth proportional to 19,720,301.40, 29,580,452.10 and 11,217,245.40 is: 16,825,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,301.40 : 29,580,452.10 = 11,217,245.40 : x
  2. Step 2: Convert to fraction form
    19,720,301.40/29,580,452.10 = 11,217,245.40/x
  3. Step 3: Cross multiply
    19,720,301.40x = 29,580,452.10 × 11,217,245.40
  4. Step 4: Simplify right side
    19,720,301.40x = 331,811,190,248,645.38
  5. Step 5: Solve for x
    x = 331,811,190,248,645.38/19,720,301.40
  6. Step 6: Final answer
    x = 16,825,868.10

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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.