Home / 8,448,883.67-12,668,264.42-2,689,129.39

Finding the Fourth Proportional to 8,448,883.67, 12,668,264.42 and 2,689,129.39

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Solution

The fourth proportional to 8,448,883.67, 12,668,264.42 and 2,689,129.39 is: 4,032,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,883.67 : 12,668,264.42 = 2,689,129.39 : x
  2. Step 2: Convert to fraction form
    8,448,883.67/12,668,264.42 = 2,689,129.39/x
  3. Step 3: Cross multiply
    8,448,883.67x = 12,668,264.42 × 2,689,129.39
  4. Step 4: Simplify right side
    8,448,883.67x = 34,066,602,172,113.30
  5. Step 5: Solve for x
    x = 34,066,602,172,113.30/8,448,883.67
  6. Step 6: Final answer
    x = 4,032,083.23

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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.