Home / 20,508,479.91-28,183,336.22-19,560,079.26

Finding the Fourth Proportional to 20,508,479.91, 28,183,336.22 and 19,560,079.26

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Solution

The fourth proportional to 20,508,479.91, 28,183,336.22 and 19,560,079.26 is: 26,880,017.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,479.91 : 28,183,336.22 = 19,560,079.26 : x
  2. Step 2: Convert to fraction form
    20,508,479.91/28,183,336.22 = 19,560,079.26/x
  3. Step 3: Cross multiply
    20,508,479.91x = 28,183,336.22 × 19,560,079.26
  4. Step 4: Simplify right side
    20,508,479.91x = 551,268,290,323,329.06
  5. Step 5: Solve for x
    x = 551,268,290,323,329.06/20,508,479.91
  6. Step 6: Final answer
    x = 26,880,017.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.