Home / 22,147,009.10-33,220,513.65-20,803,316.30

Finding the Fourth Proportional to 22,147,009.10, 33,220,513.65 and 20,803,316.30

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Solution

The fourth proportional to 22,147,009.10, 33,220,513.65 and 20,803,316.30 is: 31,204,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,009.10 : 33,220,513.65 = 20,803,316.30 : x
  2. Step 2: Convert to fraction form
    22,147,009.10/33,220,513.65 = 20,803,316.30/x
  3. Step 3: Cross multiply
    22,147,009.10x = 33,220,513.65 × 20,803,316.30
  4. Step 4: Simplify right side
    22,147,009.10x = 691,096,853,109,417.50
  5. Step 5: Solve for x
    x = 691,096,853,109,417.50/22,147,009.10
  6. Step 6: Final answer
    x = 31,204,974.45

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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.