Home / 20,801,968.40-31,202,952.60-9,464,560.40

Finding the Fourth Proportional to 20,801,968.40, 31,202,952.60 and 9,464,560.40

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Solution

The fourth proportional to 20,801,968.40, 31,202,952.60 and 9,464,560.40 is: 14,196,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,968.40 : 31,202,952.60 = 9,464,560.40 : x
  2. Step 2: Convert to fraction form
    20,801,968.40/31,202,952.60 = 9,464,560.40/x
  3. Step 3: Cross multiply
    20,801,968.40x = 31,202,952.60 × 9,464,560.40
  4. Step 4: Simplify right side
    20,801,968.40x = 295,322,229,541,037.06
  5. Step 5: Solve for x
    x = 295,322,229,541,037.06/20,801,968.40
  6. Step 6: Final answer
    x = 14,196,840.60

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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.