Home / 15,211,749.31-20,992,287.14-8,242,425.02

Finding the Fourth Proportional to 15,211,749.31, 20,992,287.14 and 8,242,425.02

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Solution

The fourth proportional to 15,211,749.31, 20,992,287.14 and 8,242,425.02 is: 11,374,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,749.31 : 20,992,287.14 = 8,242,425.02 : x
  2. Step 2: Convert to fraction form
    15,211,749.31/20,992,287.14 = 8,242,425.02/x
  3. Step 3: Cross multiply
    15,211,749.31x = 20,992,287.14 × 8,242,425.02
  4. Step 4: Simplify right side
    15,211,749.31x = 173,027,352,759,580.50
  5. Step 5: Solve for x
    x = 173,027,352,759,580.50/15,211,749.31
  6. Step 6: Final answer
    x = 11,374,586.13

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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.