Home / 20,845,025.60-28,767,282.44-11,552,402.25

Finding the Fourth Proportional to 20,845,025.60, 28,767,282.44 and 11,552,402.25

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Solution

The fourth proportional to 20,845,025.60, 28,767,282.44 and 11,552,402.25 is: 15,942,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,025.60 : 28,767,282.44 = 11,552,402.25 : x
  2. Step 2: Convert to fraction form
    20,845,025.60/28,767,282.44 = 11,552,402.25/x
  3. Step 3: Cross multiply
    20,845,025.60x = 28,767,282.44 × 11,552,402.25
  4. Step 4: Simplify right side
    20,845,025.60x = 332,331,218,328,479.44
  5. Step 5: Solve for x
    x = 332,331,218,328,479.44/20,845,025.60
  6. Step 6: Final answer
    x = 15,942,950.84

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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.