Home / 18,611,200.80-27,916,801.20-9,045,262.80

Finding the Fourth Proportional to 18,611,200.80, 27,916,801.20 and 9,045,262.80

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Solution

The fourth proportional to 18,611,200.80, 27,916,801.20 and 9,045,262.80 is: 13,567,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611,200.80 : 27,916,801.20 = 9,045,262.80 : x
  2. Step 2: Convert to fraction form
    18,611,200.80/27,916,801.20 = 9,045,262.80/x
  3. Step 3: Cross multiply
    18,611,200.80x = 27,916,801.20 × 9,045,262.80
  4. Step 4: Simplify right side
    18,611,200.80x = 252,514,803,389,355.38
  5. Step 5: Solve for x
    x = 252,514,803,389,355.38/18,611,200.80
  6. Step 6: Final answer
    x = 13,567,894.20

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Double scale
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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.