Home / 27,208,123.20-40,856,421.60-19,687,867.20

Finding the Fourth Proportional to 27,208,123.20, 40,856,421.60 and 19,687,867.20

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Solution

The fourth proportional to 27,208,123.20, 40,856,421.60 and 19,687,867.20 is: 29,563,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208,123.20 : 40,856,421.60 = 19,687,867.20 : x
  2. Step 2: Convert to fraction form
    27,208,123.20/40,856,421.60 = 19,687,867.20/x
  3. Step 3: Cross multiply
    27,208,123.20x = 40,856,421.60 × 19,687,867.20
  4. Step 4: Simplify right side
    27,208,123.20x = 804,375,802,728,011.50
  5. Step 5: Solve for x
    x = 804,375,802,728,011.50/27,208,123.20
  6. Step 6: Final answer
    x = 29,563,810.66

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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.