Home / 20,290,464.01-28,003,831.97-12,848,805.28

Finding the Fourth Proportional to 20,290,464.01, 28,003,831.97 and 12,848,805.28

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Solution

The fourth proportional to 20,290,464.01, 28,003,831.97 and 12,848,805.28 is: 17,733,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,290,464.01 : 28,003,831.97 = 12,848,805.28 : x
  2. Step 2: Convert to fraction form
    20,290,464.01/28,003,831.97 = 12,848,805.28/x
  3. Step 3: Cross multiply
    20,290,464.01x = 28,003,831.97 × 12,848,805.28
  4. Step 4: Simplify right side
    20,290,464.01x = 359,815,783,961,882.50
  5. Step 5: Solve for x
    x = 359,815,783,961,882.50/20,290,464.01
  6. Step 6: Final answer
    x = 17,733,245.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.