Home / 12,578,086.73-17,357,357.64-7,071,694.58

Finding the Fourth Proportional to 12,578,086.73, 17,357,357.64 and 7,071,694.58

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Solution

The fourth proportional to 12,578,086.73, 17,357,357.64 and 7,071,694.58 is: 9,758,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,086.73 : 17,357,357.64 = 7,071,694.58 : x
  2. Step 2: Convert to fraction form
    12,578,086.73/17,357,357.64 = 7,071,694.58/x
  3. Step 3: Cross multiply
    12,578,086.73x = 17,357,357.64 × 7,071,694.58
  4. Step 4: Simplify right side
    12,578,086.73x = 122,745,931,945,909.59
  5. Step 5: Solve for x
    x = 122,745,931,945,909.59/12,578,086.73
  6. Step 6: Final answer
    x = 9,758,712.48

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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.