Home / 12,159,900.45-16,780,538.21-6,727,431.33

Finding the Fourth Proportional to 12,159,900.45, 16,780,538.21 and 6,727,431.33

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Solution

The fourth proportional to 12,159,900.45, 16,780,538.21 and 6,727,431.33 is: 9,283,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159,900.45 : 16,780,538.21 = 6,727,431.33 : x
  2. Step 2: Convert to fraction form
    12,159,900.45/16,780,538.21 = 6,727,431.33/x
  3. Step 3: Cross multiply
    12,159,900.45x = 16,780,538.21 × 6,727,431.33
  4. Step 4: Simplify right side
    12,159,900.45x = 112,889,918,454,578.95
  5. Step 5: Solve for x
    x = 112,889,918,454,578.95/12,159,900.45
  6. Step 6: Final answer
    x = 9,283,786.40

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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.