Home / 7,760,784.65-11,641,176.98-7,412,419.85

Finding the Fourth Proportional to 7,760,784.65, 11,641,176.98 and 7,412,419.85

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Solution

The fourth proportional to 7,760,784.65, 11,641,176.98 and 7,412,419.85 is: 11,118,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,784.65 : 11,641,176.98 = 7,412,419.85 : x
  2. Step 2: Convert to fraction form
    7,760,784.65/11,641,176.98 = 7,412,419.85/x
  3. Step 3: Cross multiply
    7,760,784.65x = 11,641,176.98 × 7,412,419.85
  4. Step 4: Simplify right side
    7,760,784.65x = 86,289,291,286,852.95
  5. Step 5: Solve for x
    x = 86,289,291,286,852.95/7,760,784.65
  6. Step 6: Final answer
    x = 11,118,629.78

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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.