Home / 6,645,823.10-9,172,942.15-4,328,490.05

Finding the Fourth Proportional to 6,645,823.10, 9,172,942.15 and 4,328,490.05

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Solution

The fourth proportional to 6,645,823.10, 9,172,942.15 and 4,328,490.05 is: 5,974,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,823.10 : 9,172,942.15 = 4,328,490.05 : x
  2. Step 2: Convert to fraction form
    6,645,823.10/9,172,942.15 = 4,328,490.05/x
  3. Step 3: Cross multiply
    6,645,823.10x = 9,172,942.15 × 4,328,490.05
  4. Step 4: Simplify right side
    6,645,823.10x = 39,704,988,825,500.61
  5. Step 5: Solve for x
    x = 39,704,988,825,500.61/6,645,823.10
  6. Step 6: Final answer
    x = 5,974,427.58

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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.