Home / 20,186,412.10-30,286,616.55-8,835,007.30

Finding the Fourth Proportional to 20,186,412.10, 30,286,616.55 and 8,835,007.30

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Solution

The fourth proportional to 20,186,412.10, 30,286,616.55 and 8,835,007.30 is: 13,255,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,412.10 : 30,286,616.55 = 8,835,007.30 : x
  2. Step 2: Convert to fraction form
    20,186,412.10/30,286,616.55 = 8,835,007.30/x
  3. Step 3: Cross multiply
    20,186,412.10x = 30,286,616.55 × 8,835,007.30
  4. Step 4: Simplify right side
    20,186,412.10x = 267,582,478,311,550.84
  5. Step 5: Solve for x
    x = 267,582,478,311,550.84/20,186,412.10
  6. Step 6: Final answer
    x = 13,255,573.95

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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.