Home / 21,458,821.20-32,188,231.80-14,656,376.40

Finding the Fourth Proportional to 21,458,821.20, 32,188,231.80 and 14,656,376.40

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Solution

The fourth proportional to 21,458,821.20, 32,188,231.80 and 14,656,376.40 is: 21,984,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,821.20 : 32,188,231.80 = 14,656,376.40 : x
  2. Step 2: Convert to fraction form
    21,458,821.20/32,188,231.80 = 14,656,376.40/x
  3. Step 3: Cross multiply
    21,458,821.20x = 32,188,231.80 × 14,656,376.40
  4. Step 4: Simplify right side
    21,458,821.20x = 471,762,840,911,249.56
  5. Step 5: Solve for x
    x = 471,762,840,911,249.56/21,458,821.20
  6. Step 6: Final answer
    x = 21,984,564.60

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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.