Home / 12,672,134.70-19,001,203.65-5,090,534.70

Finding the Fourth Proportional to 12,672,134.70, 19,001,203.65 and 5,090,534.70

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Solution

The fourth proportional to 12,672,134.70, 19,001,203.65 and 5,090,534.70 is: 7,632,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,134.70 : 19,001,203.65 = 5,090,534.70 : x
  2. Step 2: Convert to fraction form
    12,672,134.70/19,001,203.65 = 5,090,534.70/x
  3. Step 3: Cross multiply
    12,672,134.70x = 19,001,203.65 × 5,090,534.70
  4. Step 4: Simplify right side
    12,672,134.70x = 96,726,286,522,091.66
  5. Step 5: Solve for x
    x = 96,726,286,522,091.66/12,672,134.70
  6. Step 6: Final answer
    x = 7,632,990.72

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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.