Home / 23,042,121.18-31,798,393.11-12,728,628.06

Finding the Fourth Proportional to 23,042,121.18, 31,798,393.11 and 12,728,628.06

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Solution

The fourth proportional to 23,042,121.18, 31,798,393.11 and 12,728,628.06 is: 17,565,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042,121.18 : 31,798,393.11 = 12,728,628.06 : x
  2. Step 2: Convert to fraction form
    23,042,121.18/31,798,393.11 = 12,728,628.06/x
  3. Step 3: Cross multiply
    23,042,121.18x = 31,798,393.11 × 12,728,628.06
  4. Step 4: Simplify right side
    23,042,121.18x = 404,749,918,802,856.69
  5. Step 5: Solve for x
    x = 404,749,918,802,856.69/23,042,121.18
  6. Step 6: Final answer
    x = 17,565,653.60

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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.