Home / 8,338,457.12-12,507,553.92-2,658,643.04

Finding the Fourth Proportional to 8,338,457.12, 12,507,553.92 and 2,658,643.04

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Solution

The fourth proportional to 8,338,457.12, 12,507,553.92 and 2,658,643.04 is: 3,987,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,457.12 : 12,507,553.92 = 2,658,643.04 : x
  2. Step 2: Convert to fraction form
    8,338,457.12/12,507,553.92 = 2,658,643.04/x
  3. Step 3: Cross multiply
    8,338,457.12x = 12,507,553.92 × 2,658,643.04
  4. Step 4: Simplify right side
    8,338,457.12x = 33,253,121,176,832.72
  5. Step 5: Solve for x
    x = 33,253,121,176,832.72/8,338,457.12
  6. Step 6: Final answer
    x = 3,987,922.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.