Home / 13,013,441.20-17,958,550.56-7,212,597.44

Finding the Fourth Proportional to 13,013,441.20, 17,958,550.56 and 7,212,597.44

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Solution

The fourth proportional to 13,013,441.20, 17,958,550.56 and 7,212,597.44 is: 9,953,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,441.20 : 17,958,550.56 = 7,212,597.44 : x
  2. Step 2: Convert to fraction form
    13,013,441.20/17,958,550.56 = 7,212,597.44/x
  3. Step 3: Cross multiply
    13,013,441.20x = 17,958,550.56 × 7,212,597.44
  4. Step 4: Simplify right side
    13,013,441.20x = 129,527,795,795,166.56
  5. Step 5: Solve for x
    x = 129,527,795,795,166.56/13,013,441.20
  6. Step 6: Final answer
    x = 9,953,385.41

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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.