Home / 20,801,654.40-31,202,481.60-9,464,246.40

Finding the Fourth Proportional to 20,801,654.40, 31,202,481.60 and 9,464,246.40

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Solution

The fourth proportional to 20,801,654.40, 31,202,481.60 and 9,464,246.40 is: 14,196,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,654.40 : 31,202,481.60 = 9,464,246.40 : x
  2. Step 2: Convert to fraction form
    20,801,654.40/31,202,481.60 = 9,464,246.40/x
  3. Step 3: Cross multiply
    20,801,654.40x = 31,202,481.60 × 9,464,246.40
  4. Step 4: Simplify right side
    20,801,654.40x = 295,307,974,153,866.25
  5. Step 5: Solve for x
    x = 295,307,974,153,866.25/20,801,654.40
  6. Step 6: Final answer
    x = 14,196,369.60

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Similar ratio
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1.5x scale

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.