Home / 13,667,099.46-18,860,990.88-7,555,921.62

Finding the Fourth Proportional to 13,667,099.46, 18,860,990.88 and 7,555,921.62

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Solution

The fourth proportional to 13,667,099.46, 18,860,990.88 and 7,555,921.62 is: 10,427,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,099.46 : 18,860,990.88 = 7,555,921.62 : x
  2. Step 2: Convert to fraction form
    13,667,099.46/18,860,990.88 = 7,555,921.62/x
  3. Step 3: Cross multiply
    13,667,099.46x = 18,860,990.88 × 7,555,921.62
  4. Step 4: Simplify right side
    13,667,099.46x = 142,512,168,764,814.81
  5. Step 5: Solve for x
    x = 142,512,168,764,814.81/13,667,099.46
  6. Step 6: Final answer
    x = 10,427,389.45

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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.