Home / 7,639,856.86-10,543,007.91-4,202,359.42

Finding the Fourth Proportional to 7,639,856.86, 10,543,007.91 and 4,202,359.42

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Solution

The fourth proportional to 7,639,856.86, 10,543,007.91 and 4,202,359.42 is: 5,799,258.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,856.86 : 10,543,007.91 = 4,202,359.42 : x
  2. Step 2: Convert to fraction form
    7,639,856.86/10,543,007.91 = 4,202,359.42/x
  3. Step 3: Cross multiply
    7,639,856.86x = 10,543,007.91 × 4,202,359.42
  4. Step 4: Simplify right side
    7,639,856.86x = 44,305,508,605,723.02
  5. Step 5: Solve for x
    x = 44,305,508,605,723.02/7,639,856.86
  6. Step 6: Final answer
    x = 5,799,258.99

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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.