Home / 18,436,166.40-27,654,249.60-12,696,603.60

Finding the Fourth Proportional to 18,436,166.40, 27,654,249.60 and 12,696,603.60

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Solution

The fourth proportional to 18,436,166.40, 27,654,249.60 and 12,696,603.60 is: 19,044,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,166.40 : 27,654,249.60 = 12,696,603.60 : x
  2. Step 2: Convert to fraction form
    18,436,166.40/27,654,249.60 = 12,696,603.60/x
  3. Step 3: Cross multiply
    18,436,166.40x = 27,654,249.60 × 12,696,603.60
  4. Step 4: Simplify right side
    18,436,166.40x = 351,115,045,026,658.56
  5. Step 5: Solve for x
    x = 351,115,045,026,658.56/18,436,166.40
  6. Step 6: Final answer
    x = 19,044,905.40

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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.