Home / 19,653,753.45-29,480,630.19-18,458,011.20

Finding the Fourth Proportional to 19,653,753.45, 29,480,630.19 and 18,458,011.20

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Solution

The fourth proportional to 19,653,753.45, 29,480,630.19 and 18,458,011.20 is: 27,687,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653,753.45 : 29,480,630.19 = 18,458,011.20 : x
  2. Step 2: Convert to fraction form
    19,653,753.45/29,480,630.19 = 18,458,011.20/x
  3. Step 3: Cross multiply
    19,653,753.45x = 29,480,630.19 × 18,458,011.20
  4. Step 4: Simplify right side
    19,653,753.45x = 544,153,802,230,078.12
  5. Step 5: Solve for x
    x = 544,153,802,230,078.12/19,653,753.45
  6. Step 6: Final answer
    x = 27,687,016.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.