Home / 7,172,563.80-9,893,715.66-4,380,377.16

Finding the Fourth Proportional to 7,172,563.80, 9,893,715.66 and 4,380,377.16

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Solution

The fourth proportional to 7,172,563.80, 9,893,715.66 and 4,380,377.16 is: 6,042,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,563.80 : 9,893,715.66 = 4,380,377.16 : x
  2. Step 2: Convert to fraction form
    7,172,563.80/9,893,715.66 = 4,380,377.16/x
  3. Step 3: Cross multiply
    7,172,563.80x = 9,893,715.66 × 4,380,377.16
  4. Step 4: Simplify right side
    7,172,563.80x = 43,338,206,104,598.33
  5. Step 5: Solve for x
    x = 43,338,206,104,598.33/7,172,563.80
  6. Step 6: Final answer
    x = 6,042,219.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.