Home / 28,992,508.40-43,394,133.54-21,314,119.88

Finding the Fourth Proportional to 28,992,508.40, 43,394,133.54 and 21,314,119.88

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Solution

The fourth proportional to 28,992,508.40, 43,394,133.54 and 21,314,119.88 is: 31,901,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992,508.40 : 43,394,133.54 = 21,314,119.88 : x
  2. Step 2: Convert to fraction form
    28,992,508.40/43,394,133.54 = 21,314,119.88/x
  3. Step 3: Cross multiply
    28,992,508.40x = 43,394,133.54 × 21,314,119.88
  4. Step 4: Simplify right side
    28,992,508.40x = 924,907,764,360,288.75
  5. Step 5: Solve for x
    x = 924,907,764,360,288.75/28,992,508.40
  6. Step 6: Final answer
    x = 31,901,612.36

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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.