Home / 21,787,228.20-32,680,842.30-9,662,500.20

Finding the Fourth Proportional to 21,787,228.20, 32,680,842.30 and 9,662,500.20

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Solution

The fourth proportional to 21,787,228.20, 32,680,842.30 and 9,662,500.20 is: 14,493,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,228.20 : 32,680,842.30 = 9,662,500.20 : x
  2. Step 2: Convert to fraction form
    21,787,228.20/32,680,842.30 = 9,662,500.20/x
  3. Step 3: Cross multiply
    21,787,228.20x = 32,680,842.30 × 9,662,500.20
  4. Step 4: Simplify right side
    21,787,228.20x = 315,778,645,259,918.44
  5. Step 5: Solve for x
    x = 315,778,645,259,918.44/21,787,228.20
  6. Step 6: Final answer
    x = 14,493,750.30

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1.5x scale

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.