Home / 20,269,932.02-27,972,160.48-10,977,426.78

Finding the Fourth Proportional to 20,269,932.02, 27,972,160.48 and 10,977,426.78

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Solution

The fourth proportional to 20,269,932.02, 27,972,160.48 and 10,977,426.78 is: 15,148,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,932.02 : 27,972,160.48 = 10,977,426.78 : x
  2. Step 2: Convert to fraction form
    20,269,932.02/27,972,160.48 = 10,977,426.78/x
  3. Step 3: Cross multiply
    20,269,932.02x = 27,972,160.48 × 10,977,426.78
  4. Step 4: Simplify right side
    20,269,932.02x = 307,062,343,547,609.62
  5. Step 5: Solve for x
    x = 307,062,343,547,609.62/20,269,932.02
  6. Step 6: Final answer
    x = 15,148,661.73

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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.