Home / 18,850,220.20-28,275,330.30-9,267,077.80

Finding the Fourth Proportional to 18,850,220.20, 28,275,330.30 and 9,267,077.80

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Solution

The fourth proportional to 18,850,220.20, 28,275,330.30 and 9,267,077.80 is: 13,900,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,220.20 : 28,275,330.30 = 9,267,077.80 : x
  2. Step 2: Convert to fraction form
    18,850,220.20/28,275,330.30 = 9,267,077.80/x
  3. Step 3: Cross multiply
    18,850,220.20x = 28,275,330.30 × 9,267,077.80
  4. Step 4: Simplify right side
    18,850,220.20x = 262,029,685,710,797.38
  5. Step 5: Solve for x
    x = 262,029,685,710,797.38/18,850,220.20
  6. Step 6: Final answer
    x = 13,900,616.70

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1.5x scale

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.