Home / 40,321,979.40-60,482,969.10-13,395,635.40

Finding the Fourth Proportional to 40,321,979.40, 60,482,969.10 and 13,395,635.40

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Solution

The fourth proportional to 40,321,979.40, 60,482,969.10 and 13,395,635.40 is: 20,093,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,979.40 : 60,482,969.10 = 13,395,635.40 : x
  2. Step 2: Convert to fraction form
    40,321,979.40/60,482,969.10 = 13,395,635.40/x
  3. Step 3: Cross multiply
    40,321,979.40x = 60,482,969.10 × 13,395,635.40
  4. Step 4: Simplify right side
    40,321,979.40x = 810,207,801,973,066.12
  5. Step 5: Solve for x
    x = 810,207,801,973,066.12/40,321,979.40
  6. Step 6: Final answer
    x = 20,093,453.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.