Home / 20,700,937.53-31,011,608.97-11,575,357.25

Finding the Fourth Proportional to 20,700,937.53, 31,011,608.97 and 11,575,357.25

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Solution

The fourth proportional to 20,700,937.53, 31,011,608.97 and 11,575,357.25 is: 17,340,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,937.53 : 31,011,608.97 = 11,575,357.25 : x
  2. Step 2: Convert to fraction form
    20,700,937.53/31,011,608.97 = 11,575,357.25/x
  3. Step 3: Cross multiply
    20,700,937.53x = 31,011,608.97 × 11,575,357.25
  4. Step 4: Simplify right side
    20,700,937.53x = 358,970,452,569,996.44
  5. Step 5: Solve for x
    x = 358,970,452,569,996.44/20,700,937.53
  6. Step 6: Final answer
    x = 17,340,782.37

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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.