Home / 8,338,398.73-11,507,647.24-6,143,298.29

Finding the Fourth Proportional to 8,338,398.73, 11,507,647.24 and 6,143,298.29

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Solution

The fourth proportional to 8,338,398.73, 11,507,647.24 and 6,143,298.29 is: 8,478,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,398.73 : 11,507,647.24 = 6,143,298.29 : x
  2. Step 2: Convert to fraction form
    8,338,398.73/11,507,647.24 = 6,143,298.29/x
  3. Step 3: Cross multiply
    8,338,398.73x = 11,507,647.24 × 6,143,298.29
  4. Step 4: Simplify right side
    8,338,398.73x = 70,694,909,638,963.69
  5. Step 5: Solve for x
    x = 70,694,909,638,963.69/8,338,398.73
  6. Step 6: Final answer
    x = 8,478,235.68

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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.