Home / 22,906,173.40-31,608,639.42-13,485,468.76

Finding the Fourth Proportional to 22,906,173.40, 31,608,639.42 and 13,485,468.76

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Solution

The fourth proportional to 22,906,173.40, 31,608,639.42 and 13,485,468.76 is: 18,608,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906,173.40 : 31,608,639.42 = 13,485,468.76 : x
  2. Step 2: Convert to fraction form
    22,906,173.40/31,608,639.42 = 13,485,468.76/x
  3. Step 3: Cross multiply
    22,906,173.40x = 31,608,639.42 × 13,485,468.76
  4. Step 4: Simplify right side
    22,906,173.40x = 426,257,319,444,514.56
  5. Step 5: Solve for x
    x = 426,257,319,444,514.56/22,906,173.40
  6. Step 6: Final answer
    x = 18,608,840.16

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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.