Home / 7,639,961.50-10,544,644.56-4,378,961.91

Finding the Fourth Proportional to 7,639,961.50, 10,544,644.56 and 4,378,961.91

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Solution

The fourth proportional to 7,639,961.50, 10,544,644.56 and 4,378,961.91 is: 6,043,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,961.50 : 10,544,644.56 = 4,378,961.91 : x
  2. Step 2: Convert to fraction form
    7,639,961.50/10,544,644.56 = 4,378,961.91/x
  3. Step 3: Cross multiply
    7,639,961.50x = 10,544,644.56 × 4,378,961.91
  4. Step 4: Simplify right side
    7,639,961.50x = 46,174,596,882,728.71
  5. Step 5: Solve for x
    x = 46,174,596,882,728.71/7,639,961.50
  6. Step 6: Final answer
    x = 6,043,825.86

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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.