Home / 10,729,215.78-14,806,707.13-6,146,422.89

Finding the Fourth Proportional to 10,729,215.78, 14,806,707.13 and 6,146,422.89

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Solution

The fourth proportional to 10,729,215.78, 14,806,707.13 and 6,146,422.89 is: 8,482,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729,215.78 : 14,806,707.13 = 6,146,422.89 : x
  2. Step 2: Convert to fraction form
    10,729,215.78/14,806,707.13 = 6,146,422.89/x
  3. Step 3: Cross multiply
    10,729,215.78x = 14,806,707.13 × 6,146,422.89
  4. Step 4: Simplify right side
    10,729,215.78x = 91,008,283,629,358.20
  5. Step 5: Solve for x
    x = 91,008,283,629,358.20/10,729,215.78
  6. Step 6: Final answer
    x = 8,482,286.64

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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.