Home / 28,502,201.55-39,331,984.40-15,449,180.22

Finding the Fourth Proportional to 28,502,201.55, 39,331,984.40 and 15,449,180.22

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Solution

The fourth proportional to 28,502,201.55, 39,331,984.40 and 15,449,180.22 is: 21,319,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,201.55 : 39,331,984.40 = 15,449,180.22 : x
  2. Step 2: Convert to fraction form
    28,502,201.55/39,331,984.40 = 15,449,180.22/x
  3. Step 3: Cross multiply
    28,502,201.55x = 39,331,984.40 × 15,449,180.22
  4. Step 4: Simplify right side
    28,502,201.55x = 607,646,915,328,582.75
  5. Step 5: Solve for x
    x = 607,646,915,328,582.75/28,502,201.55
  6. Step 6: Final answer
    x = 21,319,297.54

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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.