Home / 7,178,463.44-9,906,037.80-4,276,351.28

Finding the Fourth Proportional to 7,178,463.44, 9,906,037.80 and 4,276,351.28

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Solution

The fourth proportional to 7,178,463.44, 9,906,037.80 and 4,276,351.28 is: 5,901,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,463.44 : 9,906,037.80 = 4,276,351.28 : x
  2. Step 2: Convert to fraction form
    7,178,463.44/9,906,037.80 = 4,276,351.28/x
  3. Step 3: Cross multiply
    7,178,463.44x = 9,906,037.80 × 4,276,351.28
  4. Step 4: Simplify right side
    7,178,463.44x = 42,361,697,425,758.39
  5. Step 5: Solve for x
    x = 42,361,697,425,758.39/7,178,463.44
  6. Step 6: Final answer
    x = 5,901,220.75

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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.