Home / 20,772,002.35-31,158,003.53-20,772,002.35

Finding the Fourth Proportional to 20,772,002.35, 31,158,003.53 and 20,772,002.35

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Solution

The fourth proportional to 20,772,002.35, 31,158,003.53 and 20,772,002.35 is: 31,158,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,002.35 : 31,158,003.53 = 20,772,002.35 : x
  2. Step 2: Convert to fraction form
    20,772,002.35/31,158,003.53 = 20,772,002.35/x
  3. Step 3: Cross multiply
    20,772,002.35x = 31,158,003.53 × 20,772,002.35
  4. Step 4: Simplify right side
    20,772,002.35x = 647,214,122,442,608.25
  5. Step 5: Solve for x
    x = 647,214,122,442,608.25/20,772,002.35
  6. Step 6: Final answer
    x = 31,158,003.53

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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.