Home / 13,340,964.14-20,011,235.42-4,242,930.54

Finding the Fourth Proportional to 13,340,964.14, 20,011,235.42 and 4,242,930.54

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Solution

The fourth proportional to 13,340,964.14, 20,011,235.42 and 4,242,930.54 is: 6,364,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340,964.14 : 20,011,235.42 = 4,242,930.54 : x
  2. Step 2: Convert to fraction form
    13,340,964.14/20,011,235.42 = 4,242,930.54/x
  3. Step 3: Cross multiply
    13,340,964.14x = 20,011,235.42 × 4,242,930.54
  4. Step 4: Simplify right side
    13,340,964.14x = 84,906,281,906,647.73
  5. Step 5: Solve for x
    x = 84,906,281,906,647.73/13,340,964.14
  6. Step 6: Final answer
    x = 6,364,328.77

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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.