Home / 21,388,005.20-32,082,007.80-16,610,430.80

Finding the Fourth Proportional to 21,388,005.20, 32,082,007.80 and 16,610,430.80

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Solution

The fourth proportional to 21,388,005.20, 32,082,007.80 and 16,610,430.80 is: 24,915,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,005.20 : 32,082,007.80 = 16,610,430.80 : x
  2. Step 2: Convert to fraction form
    21,388,005.20/32,082,007.80 = 16,610,430.80/x
  3. Step 3: Cross multiply
    21,388,005.20x = 32,082,007.80 × 16,610,430.80
  4. Step 4: Simplify right side
    21,388,005.20x = 532,895,970,486,960.25
  5. Step 5: Solve for x
    x = 532,895,970,486,960.25/21,388,005.20
  6. Step 6: Final answer
    x = 24,915,646.20

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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.