Home / 15,203,383.69-20,980,650.80-8,234,057.12

Finding the Fourth Proportional to 15,203,383.69, 20,980,650.80 and 8,234,057.12

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Solution

The fourth proportional to 15,203,383.69, 20,980,650.80 and 8,234,057.12 is: 11,362,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203,383.69 : 20,980,650.80 = 8,234,057.12 : x
  2. Step 2: Convert to fraction form
    15,203,383.69/20,980,650.80 = 8,234,057.12/x
  3. Step 3: Cross multiply
    15,203,383.69x = 20,980,650.80 × 8,234,057.12
  4. Step 4: Simplify right side
    15,203,383.69x = 172,755,877,017,655.56
  5. Step 5: Solve for x
    x = 172,755,877,017,655.56/15,203,383.69
  6. Step 6: Final answer
    x = 11,362,988.70

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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.