Home / 20,038,649.86-27,653,346.57-10,871,290.18

Finding the Fourth Proportional to 20,038,649.86, 27,653,346.57 and 10,871,290.18

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Solution

The fourth proportional to 20,038,649.86, 27,653,346.57 and 10,871,290.18 is: 15,002,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038,649.86 : 27,653,346.57 = 10,871,290.18 : x
  2. Step 2: Convert to fraction form
    20,038,649.86/27,653,346.57 = 10,871,290.18/x
  3. Step 3: Cross multiply
    20,038,649.86x = 27,653,346.57 × 10,871,290.18
  4. Step 4: Simplify right side
    20,038,649.86x = 300,627,555,010,577.69
  5. Step 5: Solve for x
    x = 300,627,555,010,577.69/20,038,649.86
  6. Step 6: Final answer
    x = 15,002,385.75

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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.