Home / 22,147,638.60-33,221,457.90-20,803,945.80

Finding the Fourth Proportional to 22,147,638.60, 33,221,457.90 and 20,803,945.80

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Solution

The fourth proportional to 22,147,638.60, 33,221,457.90 and 20,803,945.80 is: 31,205,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,638.60 : 33,221,457.90 = 20,803,945.80 : x
  2. Step 2: Convert to fraction form
    22,147,638.60/33,221,457.90 = 20,803,945.80/x
  3. Step 3: Cross multiply
    22,147,638.60x = 33,221,457.90 × 20,803,945.80
  4. Step 4: Simplify right side
    22,147,638.60x = 691,137,409,548,581.88
  5. Step 5: Solve for x
    x = 691,137,409,548,581.88/22,147,638.60
  6. Step 6: Final answer
    x = 31,205,918.70

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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.