Home / 20,316,110.33-28,034,851.96-11,149,343.57

Finding the Fourth Proportional to 20,316,110.33, 28,034,851.96 and 11,149,343.57

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Solution

The fourth proportional to 20,316,110.33, 28,034,851.96 and 11,149,343.57 is: 15,385,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,110.33 : 28,034,851.96 = 11,149,343.57 : x
  2. Step 2: Convert to fraction form
    20,316,110.33/28,034,851.96 = 11,149,343.57/x
  3. Step 3: Cross multiply
    20,316,110.33x = 28,034,851.96 × 11,149,343.57
  4. Step 4: Simplify right side
    20,316,110.33x = 312,570,196,436,127.94
  5. Step 5: Solve for x
    x = 312,570,196,436,127.94/20,316,110.33
  6. Step 6: Final answer
    x = 15,385,336.63

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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.