Home / 22,143,443.85-33,215,165.78-20,726,267.85

Finding the Fourth Proportional to 22,143,443.85, 33,215,165.78 and 20,726,267.85

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Solution

The fourth proportional to 22,143,443.85, 33,215,165.78 and 20,726,267.85 is: 31,089,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,443.85 : 33,215,165.78 = 20,726,267.85 : x
  2. Step 2: Convert to fraction form
    22,143,443.85/33,215,165.78 = 20,726,267.85/x
  3. Step 3: Cross multiply
    22,143,443.85x = 33,215,165.78 × 20,726,267.85
  4. Step 4: Simplify right side
    22,143,443.85x = 688,426,422,534,802.88
  5. Step 5: Solve for x
    x = 688,426,422,534,802.88/22,143,443.85
  6. Step 6: Final answer
    x = 31,089,401.78

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.