Home / 10,131,675.12-13,981,440.92-5,780,682.36

Finding the Fourth Proportional to 10,131,675.12, 13,981,440.92 and 5,780,682.36

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Solution

The fourth proportional to 10,131,675.12, 13,981,440.92 and 5,780,682.36 is: 7,977,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,675.12 : 13,981,440.92 = 5,780,682.36 : x
  2. Step 2: Convert to fraction form
    10,131,675.12/13,981,440.92 = 5,780,682.36/x
  3. Step 3: Cross multiply
    10,131,675.12x = 13,981,440.92 × 5,780,682.36
  4. Step 4: Simplify right side
    10,131,675.12x = 80,822,268,864,722.77
  5. Step 5: Solve for x
    x = 80,822,268,864,722.77/10,131,675.12
  6. Step 6: Final answer
    x = 7,977,187.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.