Home / 20,733,036.70-31,099,555.06-9,218,481.70

Finding the Fourth Proportional to 20,733,036.70, 31,099,555.06 and 9,218,481.70

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Solution

The fourth proportional to 20,733,036.70, 31,099,555.06 and 9,218,481.70 is: 13,827,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,036.70 : 31,099,555.06 = 9,218,481.70 : x
  2. Step 2: Convert to fraction form
    20,733,036.70/31,099,555.06 = 9,218,481.70/x
  3. Step 3: Cross multiply
    20,733,036.70x = 31,099,555.06 × 9,218,481.70
  4. Step 4: Simplify right side
    20,733,036.70x = 286,690,679,198,752.38
  5. Step 5: Solve for x
    x = 286,690,679,198,752.38/20,733,036.70
  6. Step 6: Final answer
    x = 13,827,722.55

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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.