Home / 12,812,150.34-17,680,766.76-7,010,932.77

Finding the Fourth Proportional to 12,812,150.34, 17,680,766.76 and 7,010,932.77

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Solution

The fourth proportional to 12,812,150.34, 17,680,766.76 and 7,010,932.77 is: 9,675,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,150.34 : 17,680,766.76 = 7,010,932.77 : x
  2. Step 2: Convert to fraction form
    12,812,150.34/17,680,766.76 = 7,010,932.77/x
  3. Step 3: Cross multiply
    12,812,150.34x = 17,680,766.76 × 7,010,932.77
  4. Step 4: Simplify right side
    12,812,150.34x = 123,958,667,076,410.73
  5. Step 5: Solve for x
    x = 123,958,667,076,410.73/12,812,150.34
  6. Step 6: Final answer
    x = 9,675,086.83

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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.