Home / 17,996,945.40-26,989,863.12-5,218,391.88

Finding the Fourth Proportional to 17,996,945.40, 26,989,863.12 and 5,218,391.88

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Solution

The fourth proportional to 17,996,945.40, 26,989,863.12 and 5,218,391.88 is: 7,825,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996,945.40 : 26,989,863.12 = 5,218,391.88 : x
  2. Step 2: Convert to fraction form
    17,996,945.40/26,989,863.12 = 5,218,391.88/x
  3. Step 3: Cross multiply
    17,996,945.40x = 26,989,863.12 × 5,218,391.88
  4. Step 4: Simplify right side
    17,996,945.40x = 140,843,682,547,719.47
  5. Step 5: Solve for x
    x = 140,843,682,547,719.47/17,996,945.40
  6. Step 6: Final answer
    x = 7,825,977.10

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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.