Home / 12,949,366.33-17,875,447.06-8,832,985.21

Finding the Fourth Proportional to 12,949,366.33, 17,875,447.06 and 8,832,985.21

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Solution

The fourth proportional to 12,949,366.33, 17,875,447.06 and 8,832,985.21 is: 12,193,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,366.33 : 17,875,447.06 = 8,832,985.21 : x
  2. Step 2: Convert to fraction form
    12,949,366.33/17,875,447.06 = 8,832,985.21/x
  3. Step 3: Cross multiply
    12,949,366.33x = 17,875,447.06 × 8,832,985.21
  4. Step 4: Simplify right side
    12,949,366.33x = 157,893,559,436,346.91
  5. Step 5: Solve for x
    x = 157,893,559,436,346.91/12,949,366.33
  6. Step 6: Final answer
    x = 12,193,149.49

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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.