Home / 22,185,010.80-33,277,516.20-18,783,788.40

Finding the Fourth Proportional to 22,185,010.80, 33,277,516.20 and 18,783,788.40

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Solution

The fourth proportional to 22,185,010.80, 33,277,516.20 and 18,783,788.40 is: 28,175,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,010.80 : 33,277,516.20 = 18,783,788.40 : x
  2. Step 2: Convert to fraction form
    22,185,010.80/33,277,516.20 = 18,783,788.40/x
  3. Step 3: Cross multiply
    22,185,010.80x = 33,277,516.20 × 18,783,788.40
  4. Step 4: Simplify right side
    22,185,010.80x = 625,077,822,778,372
  5. Step 5: Solve for x
    x = 625,077,822,778,372/22,185,010.80
  6. Step 6: Final answer
    x = 28,175,682.60

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Similar ratio
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1.5x scale

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.