Home / 19,318,285.80-28,996,091.10-11,760,013.80

Finding the Fourth Proportional to 19,318,285.80, 28,996,091.10 and 11,760,013.80

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Solution

The fourth proportional to 19,318,285.80, 28,996,091.10 and 11,760,013.80 is: 17,651,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,285.80 : 28,996,091.10 = 11,760,013.80 : x
  2. Step 2: Convert to fraction form
    19,318,285.80/28,996,091.10 = 11,760,013.80/x
  3. Step 3: Cross multiply
    19,318,285.80x = 28,996,091.10 × 11,760,013.80
  4. Step 4: Simplify right side
    19,318,285.80x = 340,994,431,482,057.25
  5. Step 5: Solve for x
    x = 340,994,431,482,057.25/19,318,285.80
  6. Step 6: Final answer
    x = 17,651,381.44

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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.