Home / 20,262,319.80-30,393,479.70-5,116,251.30

Finding the Fourth Proportional to 20,262,319.80, 30,393,479.70 and 5,116,251.30

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Solution

The fourth proportional to 20,262,319.80, 30,393,479.70 and 5,116,251.30 is: 7,674,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,319.80 : 30,393,479.70 = 5,116,251.30 : x
  2. Step 2: Convert to fraction form
    20,262,319.80/30,393,479.70 = 5,116,251.30/x
  3. Step 3: Cross multiply
    20,262,319.80x = 30,393,479.70 × 5,116,251.30
  4. Step 4: Simplify right side
    20,262,319.80x = 155,500,680,026,648.59
  5. Step 5: Solve for x
    x = 155,500,680,026,648.59/20,262,319.80
  6. Step 6: Final answer
    x = 7,674,376.95

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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.