Home / 20,269,935.28-27,972,164.96-10,977,430.04

Finding the Fourth Proportional to 20,269,935.28, 27,972,164.96 and 10,977,430.04

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Solution

The fourth proportional to 20,269,935.28, 27,972,164.96 and 10,977,430.04 is: 15,148,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,935.28 : 27,972,164.96 = 10,977,430.04 : x
  2. Step 2: Convert to fraction form
    20,269,935.28/27,972,164.96 = 10,977,430.04/x
  3. Step 3: Cross multiply
    20,269,935.28x = 27,972,164.96 × 10,977,430.04
  4. Step 4: Simplify right side
    20,269,935.28x = 307,062,483,915,739.38
  5. Step 5: Solve for x
    x = 307,062,483,915,739.38/20,269,935.28
  6. Step 6: Final answer
    x = 15,148,666.22

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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.