Home / 6,645,822.10-9,172,940.77-4,328,489.05

Finding the Fourth Proportional to 6,645,822.10, 9,172,940.77 and 4,328,489.05

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Solution

The fourth proportional to 6,645,822.10, 9,172,940.77 and 4,328,489.05 is: 5,974,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,822.10 : 9,172,940.77 = 4,328,489.05 : x
  2. Step 2: Convert to fraction form
    6,645,822.10/9,172,940.77 = 4,328,489.05/x
  3. Step 3: Cross multiply
    6,645,822.10x = 9,172,940.77 × 4,328,489.05
  4. Step 4: Simplify right side
    6,645,822.10x = 39,704,973,690,064.80
  5. Step 5: Solve for x
    x = 39,704,973,690,064.80/6,645,822.10
  6. Step 6: Final answer
    x = 5,974,426.20

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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.