Home / 21,482,823.70-32,224,235.55-20,643,015.70

Finding the Fourth Proportional to 21,482,823.70, 32,224,235.55 and 20,643,015.70

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Solution

The fourth proportional to 21,482,823.70, 32,224,235.55 and 20,643,015.70 is: 30,964,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,823.70 : 32,224,235.55 = 20,643,015.70 : x
  2. Step 2: Convert to fraction form
    21,482,823.70/32,224,235.55 = 20,643,015.70/x
  3. Step 3: Cross multiply
    21,482,823.70x = 32,224,235.55 × 20,643,015.70
  4. Step 4: Simplify right side
    21,482,823.70x = 665,205,400,379,148.12
  5. Step 5: Solve for x
    x = 665,205,400,379,148.12/21,482,823.70
  6. Step 6: Final answer
    x = 30,964,523.55

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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.