Home / 21,888,007.70-32,832,011.55-13,825,850.90

Finding the Fourth Proportional to 21,888,007.70, 32,832,011.55 and 13,825,850.90

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Solution

The fourth proportional to 21,888,007.70, 32,832,011.55 and 13,825,850.90 is: 20,738,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,007.70 : 32,832,011.55 = 13,825,850.90 : x
  2. Step 2: Convert to fraction form
    21,888,007.70/32,832,011.55 = 13,825,850.90/x
  3. Step 3: Cross multiply
    21,888,007.70x = 32,832,011.55 × 13,825,850.90
  4. Step 4: Simplify right side
    21,888,007.70x = 453,930,496,437,377.94
  5. Step 5: Solve for x
    x = 453,930,496,437,377.94/21,888,007.70
  6. Step 6: Final answer
    x = 20,738,776.35

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1.5x scale

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.