Home / 12,264,790.80-18,397,186.20-10,351,603.20

Finding the Fourth Proportional to 12,264,790.80, 18,397,186.20 and 10,351,603.20

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Solution

The fourth proportional to 12,264,790.80, 18,397,186.20 and 10,351,603.20 is: 15,527,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264,790.80 : 18,397,186.20 = 10,351,603.20 : x
  2. Step 2: Convert to fraction form
    12,264,790.80/18,397,186.20 = 10,351,603.20/x
  3. Step 3: Cross multiply
    12,264,790.80x = 18,397,186.20 × 10,351,603.20
  4. Step 4: Simplify right side
    12,264,790.80x = 190,440,371,538,915.81
  5. Step 5: Solve for x
    x = 190,440,371,538,915.81/12,264,790.80
  6. Step 6: Final answer
    x = 15,527,404.80

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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.