Home / 14,500,016.39-20,005,125.71-8,219,870.42

Finding the Fourth Proportional to 14,500,016.39, 20,005,125.71 and 8,219,870.42

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Solution

The fourth proportional to 14,500,016.39, 20,005,125.71 and 8,219,870.42 is: 11,340,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,016.39 : 20,005,125.71 = 8,219,870.42 : x
  2. Step 2: Convert to fraction form
    14,500,016.39/20,005,125.71 = 8,219,870.42/x
  3. Step 3: Cross multiply
    14,500,016.39x = 20,005,125.71 × 8,219,870.42
  4. Step 4: Simplify right side
    14,500,016.39x = 164,439,541,080,923.94
  5. Step 5: Solve for x
    x = 164,439,541,080,923.94/14,500,016.39
  6. Step 6: Final answer
    x = 11,340,645.18

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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.