Home / 16,131,464.94-22,261,141.29-8,789,358.40

Finding the Fourth Proportional to 16,131,464.94, 22,261,141.29 and 8,789,358.40

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Solution

The fourth proportional to 16,131,464.94, 22,261,141.29 and 8,789,358.40 is: 12,129,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,464.94 : 22,261,141.29 = 8,789,358.40 : x
  2. Step 2: Convert to fraction form
    16,131,464.94/22,261,141.29 = 8,789,358.40/x
  3. Step 3: Cross multiply
    16,131,464.94x = 22,261,141.29 × 8,789,358.40
  4. Step 4: Simplify right side
    16,131,464.94x = 195,661,149,190,848.34
  5. Step 5: Solve for x
    x = 195,661,149,190,848.34/16,131,464.94
  6. Step 6: Final answer
    x = 12,129,161.85

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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.