Home / 12,228,200.10-18,342,300.15-12,039,243.30

Finding the Fourth Proportional to 12,228,200.10, 18,342,300.15 and 12,039,243.30

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Solution

The fourth proportional to 12,228,200.10, 18,342,300.15 and 12,039,243.30 is: 18,058,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,200.10 : 18,342,300.15 = 12,039,243.30 : x
  2. Step 2: Convert to fraction form
    12,228,200.10/18,342,300.15 = 12,039,243.30/x
  3. Step 3: Cross multiply
    12,228,200.10x = 18,342,300.15 × 12,039,243.30
  4. Step 4: Simplify right side
    12,228,200.10x = 220,827,414,187,476.50
  5. Step 5: Solve for x
    x = 220,827,414,187,476.50/12,228,200.10
  6. Step 6: Final answer
    x = 18,058,864.95

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Double scale
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Similar ratio
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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.