Home / 13,369,174.75-18,449,685.53-7,257,603.25

Finding the Fourth Proportional to 13,369,174.75, 18,449,685.53 and 7,257,603.25

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Solution

The fourth proportional to 13,369,174.75, 18,449,685.53 and 7,257,603.25 is: 10,015,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,174.75 : 18,449,685.53 = 7,257,603.25 : x
  2. Step 2: Convert to fraction form
    13,369,174.75/18,449,685.53 = 7,257,603.25/x
  3. Step 3: Cross multiply
    13,369,174.75x = 18,449,685.53 × 7,257,603.25
  4. Step 4: Simplify right side
    13,369,174.75x = 133,900,497,664,005.98
  5. Step 5: Solve for x
    x = 133,900,497,664,005.98/13,369,174.75
  6. Step 6: Final answer
    x = 10,015,614.29

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1.5x scale

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.