Home / 20,316,109.33-28,034,850.59-11,149,342.57

Finding the Fourth Proportional to 20,316,109.33, 28,034,850.59 and 11,149,342.57

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Solution

The fourth proportional to 20,316,109.33, 28,034,850.59 and 11,149,342.57 is: 15,385,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,109.33 : 28,034,850.59 = 11,149,342.57 : x
  2. Step 2: Convert to fraction form
    20,316,109.33/28,034,850.59 = 11,149,342.57/x
  3. Step 3: Cross multiply
    20,316,109.33x = 28,034,850.59 × 11,149,342.57
  4. Step 4: Simplify right side
    20,316,109.33x = 312,570,153,000,842.81
  5. Step 5: Solve for x
    x = 312,570,153,000,842.81/20,316,109.33
  6. Step 6: Final answer
    x = 15,385,335.25

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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.