Home / 11,109,717.72-16,661,130.48-3,919,570.20

Finding the Fourth Proportional to 11,109,717.72, 16,661,130.48 and 3,919,570.20

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Solution

The fourth proportional to 11,109,717.72, 16,661,130.48 and 3,919,570.20 is: 5,878,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,717.72 : 16,661,130.48 = 3,919,570.20 : x
  2. Step 2: Convert to fraction form
    11,109,717.72/16,661,130.48 = 3,919,570.20/x
  3. Step 3: Cross multiply
    11,109,717.72x = 16,661,130.48 × 3,919,570.20
  4. Step 4: Simplify right side
    11,109,717.72x = 65,304,470,527,719.70
  5. Step 5: Solve for x
    x = 65,304,470,527,719.70/11,109,717.72
  6. Step 6: Final answer
    x = 5,878,139.50

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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.