Home / 20,402,006.10-30,603,009.15-17,744,801.10

Finding the Fourth Proportional to 20,402,006.10, 30,603,009.15 and 17,744,801.10

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Solution

The fourth proportional to 20,402,006.10, 30,603,009.15 and 17,744,801.10 is: 26,617,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,006.10 : 30,603,009.15 = 17,744,801.10 : x
  2. Step 2: Convert to fraction form
    20,402,006.10/30,603,009.15 = 17,744,801.10/x
  3. Step 3: Cross multiply
    20,402,006.10x = 30,603,009.15 × 17,744,801.10
  4. Step 4: Simplify right side
    20,402,006.10x = 543,044,310,428,230.06
  5. Step 5: Solve for x
    x = 543,044,310,428,230.06/20,402,006.10
  6. Step 6: Final answer
    x = 26,617,201.65

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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.