Home / 15,739,775.33-21,720,316.50-8,770,092.77

Finding the Fourth Proportional to 15,739,775.33, 21,720,316.50 and 8,770,092.77

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Solution

The fourth proportional to 15,739,775.33, 21,720,316.50 and 8,770,092.77 is: 12,102,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,775.33 : 21,720,316.50 = 8,770,092.77 : x
  2. Step 2: Convert to fraction form
    15,739,775.33/21,720,316.50 = 8,770,092.77/x
  3. Step 3: Cross multiply
    15,739,775.33x = 21,720,316.50 × 8,770,092.77
  4. Step 4: Simplify right side
    15,739,775.33x = 190,489,190,590,160.12
  5. Step 5: Solve for x
    x = 190,489,190,590,160.12/15,739,775.33
  6. Step 6: Final answer
    x = 12,102,408.49

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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.