Home / 9,521,622.21-13,139,841.23-5,170,707.37

Finding the Fourth Proportional to 9,521,622.21, 13,139,841.23 and 5,170,707.37

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Solution

The fourth proportional to 9,521,622.21, 13,139,841.23 and 5,170,707.37 is: 7,135,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,622.21 : 13,139,841.23 = 5,170,707.37 : x
  2. Step 2: Convert to fraction form
    9,521,622.21/13,139,841.23 = 5,170,707.37/x
  3. Step 3: Cross multiply
    9,521,622.21x = 13,139,841.23 × 5,170,707.37
  4. Step 4: Simplify right side
    9,521,622.21x = 67,942,273,888,590.87
  5. Step 5: Solve for x
    x = 67,942,273,888,590.87/9,521,622.21
  6. Step 6: Final answer
    x = 7,135,577.57

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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.