Home / 12,408,764.81-18,614,189.08-3,772,940.25

Finding the Fourth Proportional to 12,408,764.81, 18,614,189.08 and 3,772,940.25

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Solution

The fourth proportional to 12,408,764.81, 18,614,189.08 and 3,772,940.25 is: 5,659,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,764.81 : 18,614,189.08 = 3,772,940.25 : x
  2. Step 2: Convert to fraction form
    12,408,764.81/18,614,189.08 = 3,772,940.25/x
  3. Step 3: Cross multiply
    12,408,764.81x = 18,614,189.08 × 3,772,940.25
  4. Step 4: Simplify right side
    12,408,764.81x = 70,230,223,191,610.12
  5. Step 5: Solve for x
    x = 70,230,223,191,610.12/12,408,764.81
  6. Step 6: Final answer
    x = 5,659,727.16

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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.