Home / 35,170,989.12-48,559,651.20-21,960,280.80

Finding the Fourth Proportional to 35,170,989.12, 48,559,651.20 and 21,960,280.80

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Solution

The fourth proportional to 35,170,989.12, 48,559,651.20 and 21,960,280.80 is: 30,319,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,170,989.12 : 48,559,651.20 = 21,960,280.80 : x
  2. Step 2: Convert to fraction form
    35,170,989.12/48,559,651.20 = 21,960,280.80/x
  3. Step 3: Cross multiply
    35,170,989.12x = 48,559,651.20 × 21,960,280.80
  4. Step 4: Simplify right side
    35,170,989.12x = 1,066,383,575,902,057
  5. Step 5: Solve for x
    x = 1,066,383,575,902,057/35,170,989.12
  6. Step 6: Final answer
    x = 30,319,976.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.