Home / 31,522,981.20-47,321,796.60-31,299,032.40

Finding the Fourth Proportional to 31,522,981.20, 47,321,796.60 and 31,299,032.40

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Solution

The fourth proportional to 31,522,981.20, 47,321,796.60 and 31,299,032.40 is: 46,985,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522,981.20 : 47,321,796.60 = 31,299,032.40 : x
  2. Step 2: Convert to fraction form
    31,522,981.20/47,321,796.60 = 31,299,032.40/x
  3. Step 3: Cross multiply
    31,522,981.20x = 47,321,796.60 × 31,299,032.40
  4. Step 4: Simplify right side
    31,522,981.20x = 1,481,126,445,009,609.75
  5. Step 5: Solve for x
    x = 1,481,126,445,009,609.75/31,522,981.20
  6. Step 6: Final answer
    x = 46,985,608.23

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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.