Home / 28,970,072.20-43,455,108.30-18,194,941.90

Finding the Fourth Proportional to 28,970,072.20, 43,455,108.30 and 18,194,941.90

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Solution

The fourth proportional to 28,970,072.20, 43,455,108.30 and 18,194,941.90 is: 27,292,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,072.20 : 43,455,108.30 = 18,194,941.90 : x
  2. Step 2: Convert to fraction form
    28,970,072.20/43,455,108.30 = 18,194,941.90/x
  3. Step 3: Cross multiply
    28,970,072.20x = 43,455,108.30 × 18,194,941.90
  4. Step 4: Simplify right side
    28,970,072.20x = 790,663,170,776,707.62
  5. Step 5: Solve for x
    x = 790,663,170,776,707.62/28,970,072.20
  6. Step 6: Final answer
    x = 27,292,412.85

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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.