Home / 21,657,725.80-32,476,091.10-12,062,919.40

Finding the Fourth Proportional to 21,657,725.80, 32,476,091.10 and 12,062,919.40

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Solution

The fourth proportional to 21,657,725.80, 32,476,091.10 and 12,062,919.40 is: 18,088,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,725.80 : 32,476,091.10 = 12,062,919.40 : x
  2. Step 2: Convert to fraction form
    21,657,725.80/32,476,091.10 = 12,062,919.40/x
  3. Step 3: Cross multiply
    21,657,725.80x = 32,476,091.10 × 12,062,919.40
  4. Step 4: Simplify right side
    21,657,725.80x = 391,756,469,366,357.38
  5. Step 5: Solve for x
    x = 391,756,469,366,357.38/21,657,725.80
  6. Step 6: Final answer
    x = 18,088,532.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.