Home / 7,138,725.35-9,851,612.33-3,875,677.61

Finding the Fourth Proportional to 7,138,725.35, 9,851,612.33 and 3,875,677.61

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Solution

The fourth proportional to 7,138,725.35, 9,851,612.33 and 3,875,677.61 is: 5,348,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,725.35 : 9,851,612.33 = 3,875,677.61 : x
  2. Step 2: Convert to fraction form
    7,138,725.35/9,851,612.33 = 3,875,677.61/x
  3. Step 3: Cross multiply
    7,138,725.35x = 9,851,612.33 × 3,875,677.61
  4. Step 4: Simplify right side
    7,138,725.35x = 38,181,673,310,402.54
  5. Step 5: Solve for x
    x = 38,181,673,310,402.54/7,138,725.35
  6. Step 6: Final answer
    x = 5,348,528.12

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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.