Home / 20,262,320.30-30,393,480.45-5,116,251.80

Finding the Fourth Proportional to 20,262,320.30, 30,393,480.45 and 5,116,251.80

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Solution

The fourth proportional to 20,262,320.30, 30,393,480.45 and 5,116,251.80 is: 7,674,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,320.30 : 30,393,480.45 = 5,116,251.80 : x
  2. Step 2: Convert to fraction form
    20,262,320.30/30,393,480.45 = 5,116,251.80/x
  3. Step 3: Cross multiply
    20,262,320.30x = 30,393,480.45 × 5,116,251.80
  4. Step 4: Simplify right side
    20,262,320.30x = 155,500,699,060,577.31
  5. Step 5: Solve for x
    x = 155,500,699,060,577.31/20,262,320.30
  6. Step 6: Final answer
    x = 7,674,377.70

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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.