Home / 28,969,867.60-43,391,815.80-17,590,469.20

Finding the Fourth Proportional to 28,969,867.60, 43,391,815.80 and 17,590,469.20

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Solution

The fourth proportional to 28,969,867.60, 43,391,815.80 and 17,590,469.20 is: 26,347,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,867.60 : 43,391,815.80 = 17,590,469.20 : x
  2. Step 2: Convert to fraction form
    28,969,867.60/43,391,815.80 = 17,590,469.20/x
  3. Step 3: Cross multiply
    28,969,867.60x = 43,391,815.80 × 17,590,469.20
  4. Step 4: Simplify right side
    28,969,867.60x = 763,282,399,361,973.25
  5. Step 5: Solve for x
    x = 763,282,399,361,973.25/28,969,867.60
  6. Step 6: Final answer
    x = 26,347,459.02

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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.