Home / 36,408,530.90-54,612,422.30-21,046,045.51

Finding the Fourth Proportional to 36,408,530.90, 54,612,422.30 and 21,046,045.51

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Solution

The fourth proportional to 36,408,530.90, 54,612,422.30 and 21,046,045.51 is: 31,568,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408,530.90 : 54,612,422.30 = 21,046,045.51 : x
  2. Step 2: Convert to fraction form
    36,408,530.90/54,612,422.30 = 21,046,045.51/x
  3. Step 3: Cross multiply
    36,408,530.90x = 54,612,422.30 × 21,046,045.51
  4. Step 4: Simplify right side
    36,408,530.90x = 1,149,375,525,137,139
  5. Step 5: Solve for x
    x = 1,149,375,525,137,139/36,408,530.90
  6. Step 6: Final answer
    x = 31,568,852.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.