Home / 12,715,628.42-17,547,899.79-6,914,749.43

Finding the Fourth Proportional to 12,715,628.42, 17,547,899.79 and 6,914,749.43

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Solution

The fourth proportional to 12,715,628.42, 17,547,899.79 and 6,914,749.43 is: 9,542,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,628.42 : 17,547,899.79 = 6,914,749.43 : x
  2. Step 2: Convert to fraction form
    12,715,628.42/17,547,899.79 = 6,914,749.43/x
  3. Step 3: Cross multiply
    12,715,628.42x = 17,547,899.79 × 6,914,749.43
  4. Step 4: Simplify right side
    12,715,628.42x = 121,339,330,070,599.61
  5. Step 5: Solve for x
    x = 121,339,330,070,599.61/12,715,628.42
  6. Step 6: Final answer
    x = 9,542,535.06

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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.