Home / 15,998,943.92-22,081,416.60-9,031,745.12

Finding the Fourth Proportional to 15,998,943.92, 22,081,416.60 and 9,031,745.12

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Solution

The fourth proportional to 15,998,943.92, 22,081,416.60 and 9,031,745.12 is: 12,465,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998,943.92 : 22,081,416.60 = 9,031,745.12 : x
  2. Step 2: Convert to fraction form
    15,998,943.92/22,081,416.60 = 9,031,745.12/x
  3. Step 3: Cross multiply
    15,998,943.92x = 22,081,416.60 × 9,031,745.12
  4. Step 4: Simplify right side
    15,998,943.92x = 199,433,726,619,737
  5. Step 5: Solve for x
    x = 199,433,726,619,737/15,998,943.92
  6. Step 6: Final answer
    x = 12,465,430.69

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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.