Home / 12,632,384.22-18,935,388.06-9,165,748.68

Finding the Fourth Proportional to 12,632,384.22, 18,935,388.06 and 9,165,748.68

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Solution

The fourth proportional to 12,632,384.22, 18,935,388.06 and 9,165,748.68 is: 13,739,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,384.22 : 18,935,388.06 = 9,165,748.68 : x
  2. Step 2: Convert to fraction form
    12,632,384.22/18,935,388.06 = 9,165,748.68/x
  3. Step 3: Cross multiply
    12,632,384.22x = 18,935,388.06 × 9,165,748.68
  4. Step 4: Simplify right side
    12,632,384.22x = 173,557,008,116,232.75
  5. Step 5: Solve for x
    x = 173,557,008,116,232.75/12,632,384.22
  6. Step 6: Final answer
    x = 13,739,053.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.