Home / 20,772,003.85-31,158,005.78-20,772,003.85

Finding the Fourth Proportional to 20,772,003.85, 31,158,005.78 and 20,772,003.85

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Solution

The fourth proportional to 20,772,003.85, 31,158,005.78 and 20,772,003.85 is: 31,158,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,003.85 : 31,158,005.78 = 20,772,003.85 : x
  2. Step 2: Convert to fraction form
    20,772,003.85/31,158,005.78 = 20,772,003.85/x
  3. Step 3: Cross multiply
    20,772,003.85x = 31,158,005.78 × 20,772,003.85
  4. Step 4: Simplify right side
    20,772,003.85x = 647,214,216,020,482.38
  5. Step 5: Solve for x
    x = 647,214,216,020,482.38/20,772,003.85
  6. Step 6: Final answer
    x = 31,158,005.78

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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.