Home / 27,218,003.70-40,827,005.55-18,148,077.30

Finding the Fourth Proportional to 27,218,003.70, 40,827,005.55 and 18,148,077.30

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Solution

The fourth proportional to 27,218,003.70, 40,827,005.55 and 18,148,077.30 is: 27,222,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,003.70 : 40,827,005.55 = 18,148,077.30 : x
  2. Step 2: Convert to fraction form
    27,218,003.70/40,827,005.55 = 18,148,077.30/x
  3. Step 3: Cross multiply
    27,218,003.70x = 40,827,005.55 × 18,148,077.30
  4. Step 4: Simplify right side
    27,218,003.70x = 740,931,652,648,929
  5. Step 5: Solve for x
    x = 740,931,652,648,929/27,218,003.70
  6. Step 6: Final answer
    x = 27,222,115.95

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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.