Home / 8,125,821.40-11,213,561.78-4,454,671.24

Finding the Fourth Proportional to 8,125,821.40, 11,213,561.78 and 4,454,671.24

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Solution

The fourth proportional to 8,125,821.40, 11,213,561.78 and 4,454,671.24 is: 6,147,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,821.40 : 11,213,561.78 = 4,454,671.24 : x
  2. Step 2: Convert to fraction form
    8,125,821.40/11,213,561.78 = 4,454,671.24/x
  3. Step 3: Cross multiply
    8,125,821.40x = 11,213,561.78 × 4,454,671.24
  4. Step 4: Simplify right side
    8,125,821.40x = 49,952,731,159,329.20
  5. Step 5: Solve for x
    x = 49,952,731,159,329.20/8,125,821.40
  6. Step 6: Final answer
    x = 6,147,406.98

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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.