Home / 12,586,086.60-18,888,960.30-5,855,334.60

Finding the Fourth Proportional to 12,586,086.60, 18,888,960.30 and 5,855,334.60

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Solution

The fourth proportional to 12,586,086.60, 18,888,960.30 and 5,855,334.60 is: 8,787,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,086.60 : 18,888,960.30 = 5,855,334.60 : x
  2. Step 2: Convert to fraction form
    12,586,086.60/18,888,960.30 = 5,855,334.60/x
  3. Step 3: Cross multiply
    12,586,086.60x = 18,888,960.30 × 5,855,334.60
  4. Step 4: Simplify right side
    12,586,086.60x = 110,601,182,802,616.38
  5. Step 5: Solve for x
    x = 110,601,182,802,616.38/12,586,086.60
  6. Step 6: Final answer
    x = 8,787,575.23

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1.5x scale

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.