Home / 28,847,693.34-39,809,809.44-15,794,948.88

Finding the Fourth Proportional to 28,847,693.34, 39,809,809.44 and 15,794,948.88

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Solution

The fourth proportional to 28,847,693.34, 39,809,809.44 and 15,794,948.88 is: 21,797,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847,693.34 : 39,809,809.44 = 15,794,948.88 : x
  2. Step 2: Convert to fraction form
    28,847,693.34/39,809,809.44 = 15,794,948.88/x
  3. Step 3: Cross multiply
    28,847,693.34x = 39,809,809.44 × 15,794,948.88
  4. Step 4: Simplify right side
    28,847,693.34x = 628,793,905,027,341.38
  5. Step 5: Solve for x
    x = 628,793,905,027,341.38/28,847,693.34
  6. Step 6: Final answer
    x = 21,797,025.42

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1.5x scale

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.