Home / 10,396,328.13-15,664,675.66-8,614,349.39

Finding the Fourth Proportional to 10,396,328.13, 15,664,675.66 and 8,614,349.39

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Solution

The fourth proportional to 10,396,328.13, 15,664,675.66 and 8,614,349.39 is: 12,979,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396,328.13 : 15,664,675.66 = 8,614,349.39 : x
  2. Step 2: Convert to fraction form
    10,396,328.13/15,664,675.66 = 8,614,349.39/x
  3. Step 3: Cross multiply
    10,396,328.13x = 15,664,675.66 × 8,614,349.39
  4. Step 4: Simplify right side
    10,396,328.13x = 134,940,989,233,894.67
  5. Step 5: Solve for x
    x = 134,940,989,233,894.67/10,396,328.13
  6. Step 6: Final answer
    x = 12,979,677.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.