Home / 12,292,420.80-16,965,145.76-6,861,040.32

Finding the Fourth Proportional to 12,292,420.80, 16,965,145.76 and 6,861,040.32

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Solution

The fourth proportional to 12,292,420.80, 16,965,145.76 and 6,861,040.32 is: 9,469,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,420.80 : 16,965,145.76 = 6,861,040.32 : x
  2. Step 2: Convert to fraction form
    12,292,420.80/16,965,145.76 = 6,861,040.32/x
  3. Step 3: Cross multiply
    12,292,420.80x = 16,965,145.76 × 6,861,040.32
  4. Step 4: Simplify right side
    12,292,420.80x = 116,398,549,094,037.06
  5. Step 5: Solve for x
    x = 116,398,549,094,037.06/12,292,420.80
  6. Step 6: Final answer
    x = 9,469,131.51

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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.