Home / 13,289,986.20-19,934,979.30-7,227,622.20

Finding the Fourth Proportional to 13,289,986.20, 19,934,979.30 and 7,227,622.20

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Solution

The fourth proportional to 13,289,986.20, 19,934,979.30 and 7,227,622.20 is: 10,841,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,986.20 : 19,934,979.30 = 7,227,622.20 : x
  2. Step 2: Convert to fraction form
    13,289,986.20/19,934,979.30 = 7,227,622.20/x
  3. Step 3: Cross multiply
    13,289,986.20x = 19,934,979.30 × 7,227,622.20
  4. Step 4: Simplify right side
    13,289,986.20x = 144,082,498,945,220.47
  5. Step 5: Solve for x
    x = 144,082,498,945,220.47/13,289,986.20
  6. Step 6: Final answer
    x = 10,841,433.30

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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.