Home / 28,912,105.80-43,368,158.70-27,636,647.40

Finding the Fourth Proportional to 28,912,105.80, 43,368,158.70 and 27,636,647.40

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Solution

The fourth proportional to 28,912,105.80, 43,368,158.70 and 27,636,647.40 is: 41,454,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,105.80 : 43,368,158.70 = 27,636,647.40 : x
  2. Step 2: Convert to fraction form
    28,912,105.80/43,368,158.70 = 27,636,647.40/x
  3. Step 3: Cross multiply
    28,912,105.80x = 43,368,158.70 × 27,636,647.40
  4. Step 4: Simplify right side
    28,912,105.80x = 1,198,550,510,379,142.50
  5. Step 5: Solve for x
    x = 1,198,550,510,379,142.50/28,912,105.80
  6. Step 6: Final answer
    x = 41,454,971.10

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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.