Home / 8,257,641.40-11,390,949.14-7,673,105.51

Finding the Fourth Proportional to 8,257,641.40, 11,390,949.14 and 7,673,105.51

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Solution

The fourth proportional to 8,257,641.40, 11,390,949.14 and 7,673,105.51 is: 10,584,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,641.40 : 11,390,949.14 = 7,673,105.51 : x
  2. Step 2: Convert to fraction form
    8,257,641.40/11,390,949.14 = 7,673,105.51/x
  3. Step 3: Cross multiply
    8,257,641.40x = 11,390,949.14 × 7,673,105.51
  4. Step 4: Simplify right side
    8,257,641.40x = 87,403,954,514,943.48
  5. Step 5: Solve for x
    x = 87,403,954,514,943.48/8,257,641.40
  6. Step 6: Final answer
    x = 10,584,614.94

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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.