Home / 28,970,070.20-43,455,105.30-18,194,939.90

Finding the Fourth Proportional to 28,970,070.20, 43,455,105.30 and 18,194,939.90

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Solution

The fourth proportional to 28,970,070.20, 43,455,105.30 and 18,194,939.90 is: 27,292,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,070.20 : 43,455,105.30 = 18,194,939.90 : x
  2. Step 2: Convert to fraction form
    28,970,070.20/43,455,105.30 = 18,194,939.90/x
  3. Step 3: Cross multiply
    28,970,070.20x = 43,455,105.30 × 18,194,939.90
  4. Step 4: Simplify right side
    28,970,070.20x = 790,663,029,281,671.38
  5. Step 5: Solve for x
    x = 790,663,029,281,671.38/28,970,070.20
  6. Step 6: Final answer
    x = 27,292,409.85

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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.