Home / 12,831,530.13-19,247,540.90-4,195,662.75

Finding the Fourth Proportional to 12,831,530.13, 19,247,540.90 and 4,195,662.75

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Solution

The fourth proportional to 12,831,530.13, 19,247,540.90 and 4,195,662.75 is: 6,293,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,530.13 : 19,247,540.90 = 4,195,662.75 : x
  2. Step 2: Convert to fraction form
    12,831,530.13/19,247,540.90 = 4,195,662.75/x
  3. Step 3: Cross multiply
    12,831,530.13x = 19,247,540.90 × 4,195,662.75
  4. Step 4: Simplify right side
    12,831,530.13x = 80,756,190,362,253.16
  5. Step 5: Solve for x
    x = 80,756,190,362,253.16/12,831,530.13
  6. Step 6: Final answer
    x = 6,293,574.46

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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.