Home / 31,524,381.21-43,502,659.59-18,480,327.95

Finding the Fourth Proportional to 31,524,381.21, 43,502,659.59 and 18,480,327.95

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Solution

The fourth proportional to 31,524,381.21, 43,502,659.59 and 18,480,327.95 is: 25,502,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524,381.21 : 43,502,659.59 = 18,480,327.95 : x
  2. Step 2: Convert to fraction form
    31,524,381.21/43,502,659.59 = 18,480,327.95/x
  3. Step 3: Cross multiply
    31,524,381.21x = 43,502,659.59 × 18,480,327.95
  4. Step 4: Simplify right side
    31,524,381.21x = 803,943,415,656,698.38
  5. Step 5: Solve for x
    x = 803,943,415,656,698.38/31,524,381.21
  6. Step 6: Final answer
    x = 25,502,274.26

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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.