Home / 12,928,451.68-17,842,066.68-7,127,222.77

Finding the Fourth Proportional to 12,928,451.68, 17,842,066.68 and 7,127,222.77

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Solution

The fourth proportional to 12,928,451.68, 17,842,066.68 and 7,127,222.77 is: 9,836,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,451.68 : 17,842,066.68 = 7,127,222.77 : x
  2. Step 2: Convert to fraction form
    12,928,451.68/17,842,066.68 = 7,127,222.77/x
  3. Step 3: Cross multiply
    12,928,451.68x = 17,842,066.68 × 7,127,222.77
  4. Step 4: Simplify right side
    12,928,451.68x = 127,164,383,914,493.36
  5. Step 5: Solve for x
    x = 127,164,383,914,493.36/12,928,451.68
  6. Step 6: Final answer
    x = 9,836,010.30

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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.