Home / 11,664,108.90-17,496,163.35-7,129,145.70

Finding the Fourth Proportional to 11,664,108.90, 17,496,163.35 and 7,129,145.70

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Solution

The fourth proportional to 11,664,108.90, 17,496,163.35 and 7,129,145.70 is: 10,693,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664,108.90 : 17,496,163.35 = 7,129,145.70 : x
  2. Step 2: Convert to fraction form
    11,664,108.90/17,496,163.35 = 7,129,145.70/x
  3. Step 3: Cross multiply
    11,664,108.90x = 17,496,163.35 × 7,129,145.70
  4. Step 4: Simplify right side
    11,664,108.90x = 124,732,697,713,150.11
  5. Step 5: Solve for x
    x = 124,732,697,713,150.11/11,664,108.90
  6. Step 6: Final answer
    x = 10,693,718.55

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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.