Home / 7,079,478.80-9,767,161.32-4,177,417.28

Finding the Fourth Proportional to 7,079,478.80, 9,767,161.32 and 4,177,417.28

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Solution

The fourth proportional to 7,079,478.80, 9,767,161.32 and 4,177,417.28 is: 5,763,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,478.80 : 9,767,161.32 = 4,177,417.28 : x
  2. Step 2: Convert to fraction form
    7,079,478.80/9,767,161.32 = 4,177,417.28/x
  3. Step 3: Cross multiply
    7,079,478.80x = 9,767,161.32 × 4,177,417.28
  4. Step 4: Simplify right side
    7,079,478.80x = 40,801,508,474,715.61
  5. Step 5: Solve for x
    x = 40,801,508,474,715.61/7,079,478.80
  6. Step 6: Final answer
    x = 5,763,349.20

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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.