Home / 15,079,966.74-20,810,567.12-8,204,454.27

Finding the Fourth Proportional to 15,079,966.74, 20,810,567.12 and 8,204,454.27

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Solution

The fourth proportional to 15,079,966.74, 20,810,567.12 and 8,204,454.27 is: 11,322,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079,966.74 : 20,810,567.12 = 8,204,454.27 : x
  2. Step 2: Convert to fraction form
    15,079,966.74/20,810,567.12 = 8,204,454.27/x
  3. Step 3: Cross multiply
    15,079,966.74x = 20,810,567.12 × 8,204,454.27
  4. Step 4: Simplify right side
    15,079,966.74x = 170,739,346,227,783.31
  5. Step 5: Solve for x
    x = 170,739,346,227,783.31/15,079,966.74
  6. Step 6: Final answer
    x = 11,322,262.79

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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.