Home / 12,016,169.31-16,604,309.78-8,747,308.93

Finding the Fourth Proportional to 12,016,169.31, 16,604,309.78 and 8,747,308.93

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Solution

The fourth proportional to 12,016,169.31, 16,604,309.78 and 8,747,308.93 is: 12,087,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,169.31 : 16,604,309.78 = 8,747,308.93 : x
  2. Step 2: Convert to fraction form
    12,016,169.31/16,604,309.78 = 8,747,308.93/x
  3. Step 3: Cross multiply
    12,016,169.31x = 16,604,309.78 × 8,747,308.93
  4. Step 4: Simplify right side
    12,016,169.31x = 145,243,027,215,080.31
  5. Step 5: Solve for x
    x = 145,243,027,215,080.31/12,016,169.31
  6. Step 6: Final answer
    x = 12,087,298.66

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1.5x scale

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.