Home / 18,180,001.70-27,270,002.55-8,614,063.70

Finding the Fourth Proportional to 18,180,001.70, 27,270,002.55 and 8,614,063.70

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Solution

The fourth proportional to 18,180,001.70, 27,270,002.55 and 8,614,063.70 is: 12,921,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,001.70 : 27,270,002.55 = 8,614,063.70 : x
  2. Step 2: Convert to fraction form
    18,180,001.70/27,270,002.55 = 8,614,063.70/x
  3. Step 3: Cross multiply
    18,180,001.70x = 27,270,002.55 × 8,614,063.70
  4. Step 4: Simplify right side
    18,180,001.70x = 234,905,539,064,862.41
  5. Step 5: Solve for x
    x = 234,905,539,064,862.41/18,180,001.70
  6. Step 6: Final answer
    x = 12,921,095.55

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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.