Home / 38,676,906.60-53,374,158.39-21,274,575.81

Finding the Fourth Proportional to 38,676,906.60, 53,374,158.39 and 21,274,575.81

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Solution

The fourth proportional to 38,676,906.60, 53,374,158.39 and 21,274,575.81 is: 29,358,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,906.60 : 53,374,158.39 = 21,274,575.81 : x
  2. Step 2: Convert to fraction form
    38,676,906.60/53,374,158.39 = 21,274,575.81/x
  3. Step 3: Cross multiply
    38,676,906.60x = 53,374,158.39 × 21,274,575.81
  4. Step 4: Simplify right side
    38,676,906.60x = 1,135,512,578,963,002.50
  5. Step 5: Solve for x
    x = 1,135,512,578,963,002.50/38,676,906.60
  6. Step 6: Final answer
    x = 29,358,929.62

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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.