Home / 11,315,864.43-15,618,896.28-6,968,595.51

Finding the Fourth Proportional to 11,315,864.43, 15,618,896.28 and 6,968,595.51

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Solution

The fourth proportional to 11,315,864.43, 15,618,896.28 and 6,968,595.51 is: 9,618,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315,864.43 : 15,618,896.28 = 6,968,595.51 : x
  2. Step 2: Convert to fraction form
    11,315,864.43/15,618,896.28 = 6,968,595.51/x
  3. Step 3: Cross multiply
    11,315,864.43x = 15,618,896.28 × 6,968,595.51
  4. Step 4: Simplify right side
    11,315,864.43x = 108,841,770,487,963.69
  5. Step 5: Solve for x
    x = 108,841,770,487,963.69/11,315,864.43
  6. Step 6: Final answer
    x = 9,618,511.35

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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.