Home / 20,038,528.79-27,653,223.32-10,871,171.54

Finding the Fourth Proportional to 20,038,528.79, 27,653,223.32 and 10,871,171.54

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Solution

The fourth proportional to 20,038,528.79, 27,653,223.32 and 10,871,171.54 is: 15,002,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,528.79 : 27,653,223.32 = 10,871,171.54 : x
  2. Step 2: Convert to fraction form
    20,038,528.79/27,653,223.32 = 10,871,171.54/x
  3. Step 3: Cross multiply
    20,038,528.79x = 27,653,223.32 × 10,871,171.54
  4. Step 4: Simplify right side
    20,038,528.79x = 300,622,934,153,026.38
  5. Step 5: Solve for x
    x = 300,622,934,153,026.38/20,038,528.79
  6. Step 6: Final answer
    x = 15,002,245.79

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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.