Home / 12,472,284.30-18,694,429.65-7,083,516.30

Finding the Fourth Proportional to 12,472,284.30, 18,694,429.65 and 7,083,516.30

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Solution

The fourth proportional to 12,472,284.30, 18,694,429.65 and 7,083,516.30 is: 10,617,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,284.30 : 18,694,429.65 = 7,083,516.30 : x
  2. Step 2: Convert to fraction form
    12,472,284.30/18,694,429.65 = 7,083,516.30/x
  3. Step 3: Cross multiply
    12,472,284.30x = 18,694,429.65 × 7,083,516.30
  4. Step 4: Simplify right side
    12,472,284.30x = 132,422,297,144,978.28
  5. Step 5: Solve for x
    x = 132,422,297,144,978.28/12,472,284.30
  6. Step 6: Final answer
    x = 10,617,325.10

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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.