Home / 7,638,949.59-10,541,949.89-4,201,280.83

Finding the Fourth Proportional to 7,638,949.59, 10,541,949.89 and 4,201,280.83

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Solution

The fourth proportional to 7,638,949.59, 10,541,949.89 and 4,201,280.83 is: 5,797,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,949.59 : 10,541,949.89 = 4,201,280.83 : x
  2. Step 2: Convert to fraction form
    7,638,949.59/10,541,949.89 = 4,201,280.83/x
  3. Step 3: Cross multiply
    7,638,949.59x = 10,541,949.89 × 4,201,280.83
  4. Step 4: Simplify right side
    7,638,949.59x = 44,289,691,983,677.61
  5. Step 5: Solve for x
    x = 44,289,691,983,677.61/7,638,949.59
  6. Step 6: Final answer
    x = 5,797,877.24

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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.