Home / 8,579,417.24-12,869,107.41-5,386,785.43

Finding the Fourth Proportional to 8,579,417.24, 12,869,107.41 and 5,386,785.43

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Solution

The fourth proportional to 8,579,417.24, 12,869,107.41 and 5,386,785.43 is: 8,080,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,417.24 : 12,869,107.41 = 5,386,785.43 : x
  2. Step 2: Convert to fraction form
    8,579,417.24/12,869,107.41 = 5,386,785.43/x
  3. Step 3: Cross multiply
    8,579,417.24x = 12,869,107.41 × 5,386,785.43
  4. Step 4: Simplify right side
    8,579,417.24x = 69,323,120,293,293.03
  5. Step 5: Solve for x
    x = 69,323,120,293,293.03/8,579,417.24
  6. Step 6: Final answer
    x = 8,080,166.56

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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.