Home / 15,034,062.86-20,747,020.05-8,158,544.93

Finding the Fourth Proportional to 15,034,062.86, 20,747,020.05 and 8,158,544.93

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Solution

The fourth proportional to 15,034,062.86, 20,747,020.05 and 8,158,544.93 is: 11,258,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,062.86 : 20,747,020.05 = 8,158,544.93 : x
  2. Step 2: Convert to fraction form
    15,034,062.86/20,747,020.05 = 8,158,544.93/x
  3. Step 3: Cross multiply
    15,034,062.86x = 20,747,020.05 × 8,158,544.93
  4. Step 4: Simplify right side
    15,034,062.86x = 169,265,495,176,701.41
  5. Step 5: Solve for x
    x = 169,265,495,176,701.41/15,034,062.86
  6. Step 6: Final answer
    x = 11,258,799.22

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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.