Home / 7,639,859.86-10,543,012.05-4,202,362.42

Finding the Fourth Proportional to 7,639,859.86, 10,543,012.05 and 4,202,362.42

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Solution

The fourth proportional to 7,639,859.86, 10,543,012.05 and 4,202,362.42 is: 5,799,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,859.86 : 10,543,012.05 = 4,202,362.42 : x
  2. Step 2: Convert to fraction form
    7,639,859.86/10,543,012.05 = 4,202,362.42/x
  3. Step 3: Cross multiply
    7,639,859.86x = 10,543,012.05 × 4,202,362.42
  4. Step 4: Simplify right side
    7,639,859.86x = 44,305,557,632,527.16
  5. Step 5: Solve for x
    x = 44,305,557,632,527.16/7,639,859.86
  6. Step 6: Final answer
    x = 5,799,263.13

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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.