Home / 18,288,663.20-27,405,001.20-17,280,893.60

Finding the Fourth Proportional to 18,288,663.20, 27,405,001.20 and 17,280,893.60

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Solution

The fourth proportional to 18,288,663.20, 27,405,001.20 and 17,280,893.60 is: 25,894,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288,663.20 : 27,405,001.20 = 17,280,893.60 : x
  2. Step 2: Convert to fraction form
    18,288,663.20/27,405,001.20 = 17,280,893.60/x
  3. Step 3: Cross multiply
    18,288,663.20x = 27,405,001.20 × 17,280,893.60
  4. Step 4: Simplify right side
    18,288,663.20x = 473,582,909,845,072.38
  5. Step 5: Solve for x
    x = 473,582,909,845,072.38/18,288,663.20
  6. Step 6: Final answer
    x = 25,894,889.35

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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.