Home / 9,428,638-13,010,908.08-5,560,272.40

Finding the Fourth Proportional to 9,428,638, 13,010,908.08 and 5,560,272.40

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Solution

The fourth proportional to 9,428,638, 13,010,908.08 and 5,560,272.40 is: 7,672,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428,638 : 13,010,908.08 = 5,560,272.40 : x
  2. Step 2: Convert to fraction form
    9,428,638/13,010,908.08 = 5,560,272.40/x
  3. Step 3: Cross multiply
    9,428,638x = 13,010,908.08 × 5,560,272.40
  4. Step 4: Simplify right side
    9,428,638x = 72,344,193,096,161
  5. Step 5: Solve for x
    x = 72,344,193,096,161/9,428,638
  6. Step 6: Final answer
    x = 7,672,814.79

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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.