Home / 13,789,339.25-19,028,674.07-7,904,754.79

Finding the Fourth Proportional to 13,789,339.25, 19,028,674.07 and 7,904,754.79

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Solution

The fourth proportional to 13,789,339.25, 19,028,674.07 and 7,904,754.79 is: 10,908,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,339.25 : 19,028,674.07 = 7,904,754.79 : x
  2. Step 2: Convert to fraction form
    13,789,339.25/19,028,674.07 = 7,904,754.79/x
  3. Step 3: Cross multiply
    13,789,339.25x = 19,028,674.07 × 7,904,754.79
  4. Step 4: Simplify right side
    13,789,339.25x = 150,417,002,444,728.66
  5. Step 5: Solve for x
    x = 150,417,002,444,728.66/13,789,339.25
  6. Step 6: Final answer
    x = 10,908,209.58

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1.5x scale

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.