Home / 20,801,967.40-31,202,951.10-9,464,559.40

Finding the Fourth Proportional to 20,801,967.40, 31,202,951.10 and 9,464,559.40

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Solution

The fourth proportional to 20,801,967.40, 31,202,951.10 and 9,464,559.40 is: 14,196,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,967.40 : 31,202,951.10 = 9,464,559.40 : x
  2. Step 2: Convert to fraction form
    20,801,967.40/31,202,951.10 = 9,464,559.40/x
  3. Step 3: Cross multiply
    20,801,967.40x = 31,202,951.10 × 9,464,559.40
  4. Step 4: Simplify right side
    20,801,967.40x = 295,322,184,141,245.38
  5. Step 5: Solve for x
    x = 295,322,184,141,245.38/20,801,967.40
  6. Step 6: Final answer
    x = 14,196,839.10

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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.