Home / 28,944,031.36-39,938,111.04-16,722,509.44

Finding the Fourth Proportional to 28,944,031.36, 39,938,111.04 and 16,722,509.44

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Solution

The fourth proportional to 28,944,031.36, 39,938,111.04 and 16,722,509.44 is: 23,074,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944,031.36 : 39,938,111.04 = 16,722,509.44 : x
  2. Step 2: Convert to fraction form
    28,944,031.36/39,938,111.04 = 16,722,509.44/x
  3. Step 3: Cross multiply
    28,944,031.36x = 39,938,111.04 × 16,722,509.44
  4. Step 4: Simplify right side
    28,944,031.36x = 667,865,438,882,168.12
  5. Step 5: Solve for x
    x = 667,865,438,882,168.12/28,944,031.36
  6. Step 6: Final answer
    x = 23,074,375.18

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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.