Home / 12,425,388.86-17,146,873.14-6,843,528.20

Finding the Fourth Proportional to 12,425,388.86, 17,146,873.14 and 6,843,528.20

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Solution

The fourth proportional to 12,425,388.86, 17,146,873.14 and 6,843,528.20 is: 9,443,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,388.86 : 17,146,873.14 = 6,843,528.20 : x
  2. Step 2: Convert to fraction form
    12,425,388.86/17,146,873.14 = 6,843,528.20/x
  3. Step 3: Cross multiply
    12,425,388.86x = 17,146,873.14 × 6,843,528.20
  4. Step 4: Simplify right side
    12,425,388.86x = 117,345,109,789,678.19
  5. Step 5: Solve for x
    x = 117,345,109,789,678.19/12,425,388.86
  6. Step 6: Final answer
    x = 9,443,978.87

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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.