Home / 11,545,331.98-15,932,699.85-6,389,173.30

Finding the Fourth Proportional to 11,545,331.98, 15,932,699.85 and 6,389,173.30

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Solution

The fourth proportional to 11,545,331.98, 15,932,699.85 and 6,389,173.30 is: 8,817,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545,331.98 : 15,932,699.85 = 6,389,173.30 : x
  2. Step 2: Convert to fraction form
    11,545,331.98/15,932,699.85 = 6,389,173.30/x
  3. Step 3: Cross multiply
    11,545,331.98x = 15,932,699.85 × 6,389,173.30
  4. Step 4: Simplify right side
    11,545,331.98x = 101,796,780,478,534
  5. Step 5: Solve for x
    x = 101,796,780,478,534/11,545,331.98
  6. Step 6: Final answer
    x = 8,817,137.58

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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.