Home / 12,302,426.55-18,453,639.83-5,111,570.55

Finding the Fourth Proportional to 12,302,426.55, 18,453,639.83 and 5,111,570.55

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Solution

The fourth proportional to 12,302,426.55, 18,453,639.83 and 5,111,570.55 is: 7,667,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,426.55 : 18,453,639.83 = 5,111,570.55 : x
  2. Step 2: Convert to fraction form
    12,302,426.55/18,453,639.83 = 5,111,570.55/x
  3. Step 3: Cross multiply
    12,302,426.55x = 18,453,639.83 × 5,111,570.55
  4. Step 4: Simplify right side
    12,302,426.55x = 94,327,081,869,777.14
  5. Step 5: Solve for x
    x = 94,327,081,869,777.14/12,302,426.55
  6. Step 6: Final answer
    x = 7,667,355.83

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Similar ratio
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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.