Home / 9,000,383.83-12,420,604.78-5,281,438.62

Finding the Fourth Proportional to 9,000,383.83, 12,420,604.78 and 5,281,438.62

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Solution

The fourth proportional to 9,000,383.83, 12,420,604.78 and 5,281,438.62 is: 7,288,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,383.83 : 12,420,604.78 = 5,281,438.62 : x
  2. Step 2: Convert to fraction form
    9,000,383.83/12,420,604.78 = 5,281,438.62/x
  3. Step 3: Cross multiply
    9,000,383.83x = 12,420,604.78 × 5,281,438.62
  4. Step 4: Simplify right side
    9,000,383.83x = 65,598,661,768,848.60
  5. Step 5: Solve for x
    x = 65,598,661,768,848.60/9,000,383.83
  6. Step 6: Final answer
    x = 7,288,429.36

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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.