Home / 6,908,979.30-10,372,449.42-5,312,663.38

Finding the Fourth Proportional to 6,908,979.30, 10,372,449.42 and 5,312,663.38

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Solution

The fourth proportional to 6,908,979.30, 10,372,449.42 and 5,312,663.38 is: 7,975,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,979.30 : 10,372,449.42 = 5,312,663.38 : x
  2. Step 2: Convert to fraction form
    6,908,979.30/10,372,449.42 = 5,312,663.38/x
  3. Step 3: Cross multiply
    6,908,979.30x = 10,372,449.42 × 5,312,663.38
  4. Step 4: Simplify right side
    6,908,979.30x = 55,105,332,194,536.23
  5. Step 5: Solve for x
    x = 55,105,332,194,536.23/6,908,979.30
  6. Step 6: Final answer
    x = 7,975,900.61

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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.