Home / 7,174,066.92-9,900,130.41-3,910,809.66

Finding the Fourth Proportional to 7,174,066.92, 9,900,130.41 and 3,910,809.66

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Solution

The fourth proportional to 7,174,066.92, 9,900,130.41 and 3,910,809.66 is: 5,396,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,066.92 : 9,900,130.41 = 3,910,809.66 : x
  2. Step 2: Convert to fraction form
    7,174,066.92/9,900,130.41 = 3,910,809.66/x
  3. Step 3: Cross multiply
    7,174,066.92x = 9,900,130.41 × 3,910,809.66
  4. Step 4: Simplify right side
    7,174,066.92x = 38,717,525,642,687.77
  5. Step 5: Solve for x
    x = 38,717,525,642,687.77/7,174,066.92
  6. Step 6: Final answer
    x = 5,396,872.66

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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.