Home / 15,039,703.28-20,754,852.86-8,514,591.96

Finding the Fourth Proportional to 15,039,703.28, 20,754,852.86 and 8,514,591.96

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Solution

The fourth proportional to 15,039,703.28, 20,754,852.86 and 8,514,591.96 is: 11,750,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039,703.28 : 20,754,852.86 = 8,514,591.96 : x
  2. Step 2: Convert to fraction form
    15,039,703.28/20,754,852.86 = 8,514,591.96/x
  3. Step 3: Cross multiply
    15,039,703.28x = 20,754,852.86 × 8,514,591.96
  4. Step 4: Simplify right side
    15,039,703.28x = 176,719,103,292,739.03
  5. Step 5: Solve for x
    x = 176,719,103,292,739.03/15,039,703.28
  6. Step 6: Final answer
    x = 11,750,172.19

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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.