Home / 12,828,868.43-17,697,126.42-7,932,525.35

Finding the Fourth Proportional to 12,828,868.43, 17,697,126.42 and 7,932,525.35

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Solution

The fourth proportional to 12,828,868.43, 17,697,126.42 and 7,932,525.35 is: 10,942,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,868.43 : 17,697,126.42 = 7,932,525.35 : x
  2. Step 2: Convert to fraction form
    12,828,868.43/17,697,126.42 = 7,932,525.35/x
  3. Step 3: Cross multiply
    12,828,868.43x = 17,697,126.42 × 7,932,525.35
  4. Step 4: Simplify right side
    12,828,868.43x = 140,382,903,860,319.12
  5. Step 5: Solve for x
    x = 140,382,903,860,319.12/12,828,868.43
  6. Step 6: Final answer
    x = 10,942,734.71

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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.