Home / 17,987,956.20-26,974,061.10-7,201,672.20

Finding the Fourth Proportional to 17,987,956.20, 26,974,061.10 and 7,201,672.20

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Solution

The fourth proportional to 17,987,956.20, 26,974,061.10 and 7,201,672.20 is: 10,799,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987,956.20 : 26,974,061.10 = 7,201,672.20 : x
  2. Step 2: Convert to fraction form
    17,987,956.20/26,974,061.10 = 7,201,672.20/x
  3. Step 3: Cross multiply
    17,987,956.20x = 26,974,061.10 × 7,201,672.20
  4. Step 4: Simplify right side
    17,987,956.20x = 194,258,345,944,971.44
  5. Step 5: Solve for x
    x = 194,258,345,944,971.44/17,987,956.20
  6. Step 6: Final answer
    x = 10,799,356.18

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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.