Home / 11,546,288.48-15,934,138.08-7,478,986.88

Finding the Fourth Proportional to 11,546,288.48, 15,934,138.08 and 7,478,986.88

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Solution

The fourth proportional to 11,546,288.48, 15,934,138.08 and 7,478,986.88 is: 10,321,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546,288.48 : 15,934,138.08 = 7,478,986.88 : x
  2. Step 2: Convert to fraction form
    11,546,288.48/15,934,138.08 = 7,478,986.88/x
  3. Step 3: Cross multiply
    11,546,288.48x = 15,934,138.08 × 7,478,986.88
  4. Step 4: Simplify right side
    11,546,288.48x = 119,171,209,644,428.39
  5. Step 5: Solve for x
    x = 119,171,209,644,428.39/11,546,288.48
  6. Step 6: Final answer
    x = 10,321,170.29

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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.