Home / 9,361,431.41-12,918,525.54-5,231,494.77

Finding the Fourth Proportional to 9,361,431.41, 12,918,525.54 and 5,231,494.77

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Solution

The fourth proportional to 9,361,431.41, 12,918,525.54 and 5,231,494.77 is: 7,219,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,431.41 : 12,918,525.54 = 5,231,494.77 : x
  2. Step 2: Convert to fraction form
    9,361,431.41/12,918,525.54 = 5,231,494.77/x
  3. Step 3: Cross multiply
    9,361,431.41x = 12,918,525.54 × 5,231,494.77
  4. Step 4: Simplify right side
    9,361,431.41x = 67,583,198,798,621.41
  5. Step 5: Solve for x
    x = 67,583,198,798,621.41/9,361,431.41
  6. Step 6: Final answer
    x = 7,219,323.19

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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.