Home / 12,445,151.40-18,667,727.10-11,381,394.60

Finding the Fourth Proportional to 12,445,151.40, 18,667,727.10 and 11,381,394.60

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Solution

The fourth proportional to 12,445,151.40, 18,667,727.10 and 11,381,394.60 is: 17,072,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,151.40 : 18,667,727.10 = 11,381,394.60 : x
  2. Step 2: Convert to fraction form
    12,445,151.40/18,667,727.10 = 11,381,394.60/x
  3. Step 3: Cross multiply
    12,445,151.40x = 18,667,727.10 × 11,381,394.60
  4. Step 4: Simplify right side
    12,445,151.40x = 212,464,768,410,213.66
  5. Step 5: Solve for x
    x = 212,464,768,410,213.66/12,445,151.40
  6. Step 6: Final answer
    x = 17,072,091.90

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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.