Home / 22,916,489.96-31,624,125-12,603,216.80

Finding the Fourth Proportional to 22,916,489.96, 31,624,125 and 12,603,216.80

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Solution

The fourth proportional to 22,916,489.96, 31,624,125 and 12,603,216.80 is: 17,392,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916,489.96 : 31,624,125 = 12,603,216.80 : x
  2. Step 2: Convert to fraction form
    22,916,489.96/31,624,125 = 12,603,216.80/x
  3. Step 3: Cross multiply
    22,916,489.96x = 31,624,125 × 12,603,216.80
  4. Step 4: Simplify right side
    22,916,489.96x = 398,565,703,485,300
  5. Step 5: Solve for x
    x = 398,565,703,485,300/22,916,489.96
  6. Step 6: Final answer
    x = 17,392,092.08

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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.