Home / 13,667,099.48-18,860,990.90-7,555,921.64

Finding the Fourth Proportional to 13,667,099.48, 18,860,990.90 and 7,555,921.64

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Solution

The fourth proportional to 13,667,099.48, 18,860,990.90 and 7,555,921.64 is: 10,427,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,099.48 : 18,860,990.90 = 7,555,921.64 : x
  2. Step 2: Convert to fraction form
    13,667,099.48/18,860,990.90 = 7,555,921.64/x
  3. Step 3: Cross multiply
    13,667,099.48x = 18,860,990.90 × 7,555,921.64
  4. Step 4: Simplify right side
    13,667,099.48x = 142,512,169,293,153.06
  5. Step 5: Solve for x
    x = 142,512,169,293,153.06/13,667,099.48
  6. Step 6: Final answer
    x = 10,427,389.48

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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.