Home / 38,676,316.46-53,374,326.26-21,273,118.36

Finding the Fourth Proportional to 38,676,316.46, 53,374,326.26 and 21,273,118.36

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Solution

The fourth proportional to 38,676,316.46, 53,374,326.26 and 21,273,118.36 is: 29,357,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676,316.46 : 53,374,326.26 = 21,273,118.36 : x
  2. Step 2: Convert to fraction form
    38,676,316.46/53,374,326.26 = 21,273,118.36/x
  3. Step 3: Cross multiply
    38,676,316.46x = 53,374,326.26 × 21,273,118.36
  4. Step 4: Simplify right side
    38,676,316.46x = 1,135,438,359,994,249.50
  5. Step 5: Solve for x
    x = 1,135,438,359,994,249.50/38,676,316.46
  6. Step 6: Final answer
    x = 29,357,458.62

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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.