Home / 20,863,044.53-28,787,194.60-12,039,276.77

Finding the Fourth Proportional to 20,863,044.53, 28,787,194.60 and 12,039,276.77

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Solution

The fourth proportional to 20,863,044.53, 28,787,194.60 and 12,039,276.77 is: 16,612,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863,044.53 : 28,787,194.60 = 12,039,276.77 : x
  2. Step 2: Convert to fraction form
    20,863,044.53/28,787,194.60 = 12,039,276.77/x
  3. Step 3: Cross multiply
    20,863,044.53x = 28,787,194.60 × 12,039,276.77
  4. Step 4: Simplify right side
    20,863,044.53x = 346,577,003,263,119.25
  5. Step 5: Solve for x
    x = 346,577,003,263,119.25/20,863,044.53
  6. Step 6: Final answer
    x = 16,612,005.15

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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.