Home / 11,431,021.24-15,787,901.52-7,528,223.75

Finding the Fourth Proportional to 11,431,021.24, 15,787,901.52 and 7,528,223.75

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Solution

The fourth proportional to 11,431,021.24, 15,787,901.52 and 7,528,223.75 is: 10,397,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,021.24 : 15,787,901.52 = 7,528,223.75 : x
  2. Step 2: Convert to fraction form
    11,431,021.24/15,787,901.52 = 7,528,223.75/x
  3. Step 3: Cross multiply
    11,431,021.24x = 15,787,901.52 × 7,528,223.75
  4. Step 4: Simplify right side
    11,431,021.24x = 118,854,855,224,994.86
  5. Step 5: Solve for x
    x = 118,854,855,224,994.86/11,431,021.24
  6. Step 6: Final answer
    x = 10,397,571.03

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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.