Home / 20,465,374.91-28,241,477.30-11,297,820.83

Finding the Fourth Proportional to 20,465,374.91, 28,241,477.30 and 11,297,820.83

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Solution

The fourth proportional to 20,465,374.91, 28,241,477.30 and 11,297,820.83 is: 15,590,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,465,374.91 : 28,241,477.30 = 11,297,820.83 : x
  2. Step 2: Convert to fraction form
    20,465,374.91/28,241,477.30 = 11,297,820.83/x
  3. Step 3: Cross multiply
    20,465,374.91x = 28,241,477.30 × 11,297,820.83
  4. Step 4: Simplify right side
    20,465,374.91x = 319,067,150,453,423.06
  5. Step 5: Solve for x
    x = 319,067,150,453,423.06/20,465,374.91
  6. Step 6: Final answer
    x = 15,590,584.19

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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.