Home / 20,331,240.26-28,057,308.38-11,164,079.84

Finding the Fourth Proportional to 20,331,240.26, 28,057,308.38 and 11,164,079.84

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Solution

The fourth proportional to 20,331,240.26, 28,057,308.38 and 11,164,079.84 is: 15,406,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,240.26 : 28,057,308.38 = 11,164,079.84 : x
  2. Step 2: Convert to fraction form
    20,331,240.26/28,057,308.38 = 11,164,079.84/x
  3. Step 3: Cross multiply
    20,331,240.26x = 28,057,308.38 × 11,164,079.84
  4. Step 4: Simplify right side
    20,331,240.26x = 313,234,030,849,821.06
  5. Step 5: Solve for x
    x = 313,234,030,849,821.06/20,331,240.26
  6. Step 6: Final answer
    x = 15,406,538.26

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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.