Home / 20,733,117.45-31,099,676.19-9,218,562.45

Finding the Fourth Proportional to 20,733,117.45, 31,099,676.19 and 9,218,562.45

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Solution

The fourth proportional to 20,733,117.45, 31,099,676.19 and 9,218,562.45 is: 13,827,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,117.45 : 31,099,676.19 = 9,218,562.45 : x
  2. Step 2: Convert to fraction form
    20,733,117.45/31,099,676.19 = 9,218,562.45/x
  3. Step 3: Cross multiply
    20,733,117.45x = 31,099,676.19 × 9,218,562.45
  4. Step 4: Simplify right side
    20,733,117.45x = 286,694,307,132,293.06
  5. Step 5: Solve for x
    x = 286,694,307,132,293.06/20,733,117.45
  6. Step 6: Final answer
    x = 13,827,843.68

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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.