Home / 36,290,420.10-54,435,630.15-20,984,919.30

Finding the Fourth Proportional to 36,290,420.10, 54,435,630.15 and 20,984,919.30

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Solution

The fourth proportional to 36,290,420.10, 54,435,630.15 and 20,984,919.30 is: 31,477,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290,420.10 : 54,435,630.15 = 20,984,919.30 : x
  2. Step 2: Convert to fraction form
    36,290,420.10/54,435,630.15 = 20,984,919.30/x
  3. Step 3: Cross multiply
    36,290,420.10x = 54,435,630.15 × 20,984,919.30
  4. Step 4: Simplify right side
    36,290,420.10x = 1,142,327,305,742,397
  5. Step 5: Solve for x
    x = 1,142,327,305,742,397/36,290,420.10
  6. Step 6: Final answer
    x = 31,477,378.95

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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.