Home / 13,353,913.98-18,422,550.32-7,844,803.57

Finding the Fourth Proportional to 13,353,913.98, 18,422,550.32 and 7,844,803.57

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Solution

The fourth proportional to 13,353,913.98, 18,422,550.32 and 7,844,803.57 is: 10,822,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,913.98 : 18,422,550.32 = 7,844,803.57 : x
  2. Step 2: Convert to fraction form
    13,353,913.98/18,422,550.32 = 7,844,803.57/x
  3. Step 3: Cross multiply
    13,353,913.98x = 18,422,550.32 × 7,844,803.57
  4. Step 4: Simplify right side
    13,353,913.98x = 144,521,288,433,560.25
  5. Step 5: Solve for x
    x = 144,521,288,433,560.25/13,353,913.98
  6. Step 6: Final answer
    x = 10,822,391.75

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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.