Home / 38,676,796.11-53,374,006.18-21,274,465.32

Finding the Fourth Proportional to 38,676,796.11, 53,374,006.18 and 21,274,465.32

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Solution

The fourth proportional to 38,676,796.11, 53,374,006.18 and 21,274,465.32 is: 29,358,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,796.11 : 53,374,006.18 = 21,274,465.32 : x
  2. Step 2: Convert to fraction form
    38,676,796.11/53,374,006.18 = 21,274,465.32/x
  3. Step 3: Cross multiply
    38,676,796.11x = 53,374,006.18 × 21,274,465.32
  4. Step 4: Simplify right side
    38,676,796.11x = 1,135,503,443,199,005.75
  5. Step 5: Solve for x
    x = 1,135,503,443,199,005.75/38,676,796.11
  6. Step 6: Final answer
    x = 29,358,777.29

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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.