Home / 15,350,564.52-21,183,720.12-8,474,996.16

Finding the Fourth Proportional to 15,350,564.52, 21,183,720.12 and 8,474,996.16

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Solution

The fourth proportional to 15,350,564.52, 21,183,720.12 and 8,474,996.16 is: 11,695,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350,564.52 : 21,183,720.12 = 8,474,996.16 : x
  2. Step 2: Convert to fraction form
    15,350,564.52/21,183,720.12 = 8,474,996.16/x
  3. Step 3: Cross multiply
    15,350,564.52x = 21,183,720.12 × 8,474,996.16
  4. Step 4: Simplify right side
    15,350,564.52x = 179,531,946,671,514.75
  5. Step 5: Solve for x
    x = 179,531,946,671,514.75/15,350,564.52
  6. Step 6: Final answer
    x = 11,695,462.17

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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.