Home / 18,691,299.48-25,793,938.02-10,431,273.86

Finding the Fourth Proportional to 18,691,299.48, 25,793,938.02 and 10,431,273.86

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Solution

The fourth proportional to 18,691,299.48, 25,793,938.02 and 10,431,273.86 is: 14,395,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,299.48 : 25,793,938.02 = 10,431,273.86 : x
  2. Step 2: Convert to fraction form
    18,691,299.48/25,793,938.02 = 10,431,273.86/x
  3. Step 3: Cross multiply
    18,691,299.48x = 25,793,938.02 × 10,431,273.86
  4. Step 4: Simplify right side
    18,691,299.48x = 269,063,631,285,516.47
  5. Step 5: Solve for x
    x = 269,063,631,285,516.47/18,691,299.48
  6. Step 6: Final answer
    x = 14,395,127.08

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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.