Home / 13,479,831.80-20,219,747.70-3,896,179.10

Finding the Fourth Proportional to 13,479,831.80, 20,219,747.70 and 3,896,179.10

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Solution

The fourth proportional to 13,479,831.80, 20,219,747.70 and 3,896,179.10 is: 5,844,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,831.80 : 20,219,747.70 = 3,896,179.10 : x
  2. Step 2: Convert to fraction form
    13,479,831.80/20,219,747.70 = 3,896,179.10/x
  3. Step 3: Cross multiply
    13,479,831.80x = 20,219,747.70 × 3,896,179.10
  4. Step 4: Simplify right side
    13,479,831.80x = 78,779,758,396,013.06
  5. Step 5: Solve for x
    x = 78,779,758,396,013.06/13,479,831.80
  6. Step 6: Final answer
    x = 5,844,268.65

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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.