Home / 13,151,411.55-18,148,902.50-7,350,193.31

Finding the Fourth Proportional to 13,151,411.55, 18,148,902.50 and 7,350,193.31

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Solution

The fourth proportional to 13,151,411.55, 18,148,902.50 and 7,350,193.31 is: 10,143,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,411.55 : 18,148,902.50 = 7,350,193.31 : x
  2. Step 2: Convert to fraction form
    13,151,411.55/18,148,902.50 = 7,350,193.31/x
  3. Step 3: Cross multiply
    13,151,411.55x = 18,148,902.50 × 7,350,193.31
  4. Step 4: Simplify right side
    13,151,411.55x = 133,397,941,611,846.80
  5. Step 5: Solve for x
    x = 133,397,941,611,846.80/13,151,411.55
  6. Step 6: Final answer
    x = 10,143,241.36

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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.