Home / 36,290,343.60-54,435,515.40-20,984,842.80

Finding the Fourth Proportional to 36,290,343.60, 54,435,515.40 and 20,984,842.80

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Solution

The fourth proportional to 36,290,343.60, 54,435,515.40 and 20,984,842.80 is: 31,477,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290,343.60 : 54,435,515.40 = 20,984,842.80 : x
  2. Step 2: Convert to fraction form
    36,290,343.60/54,435,515.40 = 20,984,842.80/x
  3. Step 3: Cross multiply
    36,290,343.60x = 54,435,515.40 × 20,984,842.80
  4. Step 4: Simplify right side
    36,290,343.60x = 1,142,320,733,405,979.25
  5. Step 5: Solve for x
    x = 1,142,320,733,405,979.25/36,290,343.60
  6. Step 6: Final answer
    x = 31,477,264.20

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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.