Home / 13,275,241.23-19,912,834.11-4,178,133.87

Finding the Fourth Proportional to 13,275,241.23, 19,912,834.11 and 4,178,133.87

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Solution

The fourth proportional to 13,275,241.23, 19,912,834.11 and 4,178,133.87 is: 6,267,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275,241.23 : 19,912,834.11 = 4,178,133.87 : x
  2. Step 2: Convert to fraction form
    13,275,241.23/19,912,834.11 = 4,178,133.87/x
  3. Step 3: Cross multiply
    13,275,241.23x = 19,912,834.11 × 4,178,133.87
  4. Step 4: Simplify right side
    13,275,241.23x = 83,198,486,642,682.31
  5. Step 5: Solve for x
    x = 83,198,486,642,682.31/13,275,241.23
  6. Step 6: Final answer
    x = 6,267,192.08

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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.