Home / 12,451,790-17,183,732.64-7,019,282

Finding the Fourth Proportional to 12,451,790, 17,183,732.64 and 7,019,282

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Solution

The fourth proportional to 12,451,790, 17,183,732.64 and 7,019,282 is: 9,686,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,790 : 17,183,732.64 = 7,019,282 : x
  2. Step 2: Convert to fraction form
    12,451,790/17,183,732.64 = 7,019,282/x
  3. Step 3: Cross multiply
    12,451,790x = 17,183,732.64 × 7,019,282
  4. Step 4: Simplify right side
    12,451,790x = 120,617,465,212,764.48
  5. Step 5: Solve for x
    x = 120,617,465,212,764.48/12,451,790
  6. Step 6: Final answer
    x = 9,686,757.10

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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.