Home / 30,266,239.20-45,399,358.80-18,149,384.40

Finding the Fourth Proportional to 30,266,239.20, 45,399,358.80 and 18,149,384.40

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Solution

The fourth proportional to 30,266,239.20, 45,399,358.80 and 18,149,384.40 is: 27,224,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,239.20 : 45,399,358.80 = 18,149,384.40 : x
  2. Step 2: Convert to fraction form
    30,266,239.20/45,399,358.80 = 18,149,384.40/x
  3. Step 3: Cross multiply
    30,266,239.20x = 45,399,358.80 × 18,149,384.40
  4. Step 4: Simplify right side
    30,266,239.20x = 823,970,414,374,722.62
  5. Step 5: Solve for x
    x = 823,970,414,374,722.62/30,266,239.20
  6. Step 6: Final answer
    x = 27,224,076.60

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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.