Home / 31,069,067.52-42,893,703.36-27,621,786.88

Finding the Fourth Proportional to 31,069,067.52, 42,893,703.36 and 27,621,786.88

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Solution

The fourth proportional to 31,069,067.52, 42,893,703.36 and 27,621,786.88 is: 38,134,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069,067.52 : 42,893,703.36 = 27,621,786.88 : x
  2. Step 2: Convert to fraction form
    31,069,067.52/42,893,703.36 = 27,621,786.88/x
  3. Step 3: Cross multiply
    31,069,067.52x = 42,893,703.36 × 27,621,786.88
  4. Step 4: Simplify right side
    31,069,067.52x = 1,184,800,732,703,859.75
  5. Step 5: Solve for x
    x = 1,184,800,732,703,859.75/31,069,067.52
  6. Step 6: Final answer
    x = 38,134,415.59

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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.