Home / 20,383,199.55-28,127,972.00-11,090,807.85

Finding the Fourth Proportional to 20,383,199.55, 28,127,972.00 and 11,090,807.85

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Solution

The fourth proportional to 20,383,199.55, 28,127,972.00 and 11,090,807.85 is: 15,304,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,199.55 : 28,127,972.00 = 11,090,807.85 : x
  2. Step 2: Convert to fraction form
    20,383,199.55/28,127,972.00 = 11,090,807.85/x
  3. Step 3: Cross multiply
    20,383,199.55x = 28,127,972.00 × 11,090,807.85
  4. Step 4: Simplify right side
    20,383,199.55x = 311,961,932,606,726.19
  5. Step 5: Solve for x
    x = 311,961,932,606,726.19/20,383,199.55
  6. Step 6: Final answer
    x = 15,304,855.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.