Home / 52,858,817.70-79,288,226.55-18,783,608.10

Finding the Fourth Proportional to 52,858,817.70, 79,288,226.55 and 18,783,608.10

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Solution

The fourth proportional to 52,858,817.70, 79,288,226.55 and 18,783,608.10 is: 28,175,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858,817.70 : 79,288,226.55 = 18,783,608.10 : x
  2. Step 2: Convert to fraction form
    52,858,817.70/79,288,226.55 = 18,783,608.10/x
  3. Step 3: Cross multiply
    52,858,817.70x = 79,288,226.55 × 18,783,608.10
  4. Step 4: Simplify right side
    52,858,817.70x = 1,489,318,974,459,215
  5. Step 5: Solve for x
    x = 1,489,318,974,459,215/52,858,817.70
  6. Step 6: Final answer
    x = 28,175,412.15

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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.