Home / 12,672,612.84-19,018,362.78-5,099,635.56

Finding the Fourth Proportional to 12,672,612.84, 19,018,362.78 and 5,099,635.56

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Solution

The fourth proportional to 12,672,612.84, 19,018,362.78 and 5,099,635.56 is: 7,653,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,612.84 : 19,018,362.78 = 5,099,635.56 : x
  2. Step 2: Convert to fraction form
    12,672,612.84/19,018,362.78 = 5,099,635.56/x
  3. Step 3: Cross multiply
    12,672,612.84x = 19,018,362.78 × 5,099,635.56
  4. Step 4: Simplify right side
    12,672,612.84x = 96,986,719,125,868.45
  5. Step 5: Solve for x
    x = 96,986,719,125,868.45/12,672,612.84
  6. Step 6: Final answer
    x = 7,653,253.54

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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.