Home / 12,040,740.21-16,616,232.75-6,884,209.74

Finding the Fourth Proportional to 12,040,740.21, 16,616,232.75 and 6,884,209.74

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Solution

The fourth proportional to 12,040,740.21, 16,616,232.75 and 6,884,209.74 is: 9,500,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040,740.21 : 16,616,232.75 = 6,884,209.74 : x
  2. Step 2: Convert to fraction form
    12,040,740.21/16,616,232.75 = 6,884,209.74/x
  3. Step 3: Cross multiply
    12,040,740.21x = 16,616,232.75 × 6,884,209.74
  4. Step 4: Simplify right side
    12,040,740.21x = 114,389,631,339,656.98
  5. Step 5: Solve for x
    x = 114,389,631,339,656.98/12,040,740.21
  6. Step 6: Final answer
    x = 9,500,215.88

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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.