Home / 20,486,803.28-30,752,081.96-8,820,953.75

Finding the Fourth Proportional to 20,486,803.28, 30,752,081.96 and 8,820,953.75

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Solution

The fourth proportional to 20,486,803.28, 30,752,081.96 and 8,820,953.75 is: 13,240,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486,803.28 : 30,752,081.96 = 8,820,953.75 : x
  2. Step 2: Convert to fraction form
    20,486,803.28/30,752,081.96 = 8,820,953.75/x
  3. Step 3: Cross multiply
    20,486,803.28x = 30,752,081.96 × 8,820,953.75
  4. Step 4: Simplify right side
    20,486,803.28x = 271,262,692,487,504.12
  5. Step 5: Solve for x
    x = 271,262,692,487,504.12/20,486,803.28
  6. Step 6: Final answer
    x = 13,240,850.16

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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.