Home / 20,733,095.60-31,113,640.20-13,527,076.40

Finding the Fourth Proportional to 20,733,095.60, 31,113,640.20 and 13,527,076.40

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Solution

The fourth proportional to 20,733,095.60, 31,113,640.20 and 13,527,076.40 is: 20,299,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,095.60 : 31,113,640.20 = 13,527,076.40 : x
  2. Step 2: Convert to fraction form
    20,733,095.60/31,113,640.20 = 13,527,076.40/x
  3. Step 3: Cross multiply
    20,733,095.60x = 31,113,640.20 × 13,527,076.40
  4. Step 4: Simplify right side
    20,733,095.60x = 420,876,588,067,511.31
  5. Step 5: Solve for x
    x = 420,876,588,067,511.31/20,733,095.60
  6. Step 6: Final answer
    x = 20,299,746.66

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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.