Home / 15,977,974.05-23,966,961.08-13,320,769.05

Finding the Fourth Proportional to 15,977,974.05, 23,966,961.08 and 13,320,769.05

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Solution

The fourth proportional to 15,977,974.05, 23,966,961.08 and 13,320,769.05 is: 19,981,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,974.05 : 23,966,961.08 = 13,320,769.05 : x
  2. Step 2: Convert to fraction form
    15,977,974.05/23,966,961.08 = 13,320,769.05/x
  3. Step 3: Cross multiply
    15,977,974.05x = 23,966,961.08 × 13,320,769.05
  4. Step 4: Simplify right side
    15,977,974.05x = 319,258,353,310,414.75
  5. Step 5: Solve for x
    x = 319,258,353,310,414.75/15,977,974.05
  6. Step 6: Final answer
    x = 19,981,153.58

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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.