Home / 16,751,987.80-25,127,981.70-5,981,450.20

Finding the Fourth Proportional to 16,751,987.80, 25,127,981.70 and 5,981,450.20

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Solution

The fourth proportional to 16,751,987.80, 25,127,981.70 and 5,981,450.20 is: 8,972,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751,987.80 : 25,127,981.70 = 5,981,450.20 : x
  2. Step 2: Convert to fraction form
    16,751,987.80/25,127,981.70 = 5,981,450.20/x
  3. Step 3: Cross multiply
    16,751,987.80x = 25,127,981.70 × 5,981,450.20
  4. Step 4: Simplify right side
    16,751,987.80x = 150,301,771,165,061.34
  5. Step 5: Solve for x
    x = 150,301,771,165,061.34/16,751,987.80
  6. Step 6: Final answer
    x = 8,972,175.30

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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.