Home / 21,487,762.80-32,231,644.20-17,236,234.80

Finding the Fourth Proportional to 21,487,762.80, 32,231,644.20 and 17,236,234.80

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Solution

The fourth proportional to 21,487,762.80, 32,231,644.20 and 17,236,234.80 is: 25,854,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487,762.80 : 32,231,644.20 = 17,236,234.80 : x
  2. Step 2: Convert to fraction form
    21,487,762.80/32,231,644.20 = 17,236,234.80/x
  3. Step 3: Cross multiply
    21,487,762.80x = 32,231,644.20 × 17,236,234.80
  4. Step 4: Simplify right side
    21,487,762.80x = 555,552,187,421,258.19
  5. Step 5: Solve for x
    x = 555,552,187,421,258.19/21,487,762.80
  6. Step 6: Final answer
    x = 25,854,352.20

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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.