Home / 10,222,028.80-15,333,043.20-7,352,247.40

Finding the Fourth Proportional to 10,222,028.80, 15,333,043.20 and 7,352,247.40

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Solution

The fourth proportional to 10,222,028.80, 15,333,043.20 and 7,352,247.40 is: 11,028,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222,028.80 : 15,333,043.20 = 7,352,247.40 : x
  2. Step 2: Convert to fraction form
    10,222,028.80/15,333,043.20 = 7,352,247.40/x
  3. Step 3: Cross multiply
    10,222,028.80x = 15,333,043.20 × 7,352,247.40
  4. Step 4: Simplify right side
    10,222,028.80x = 112,732,327,001,287.69
  5. Step 5: Solve for x
    x = 112,732,327,001,287.69/10,222,028.80
  6. Step 6: Final answer
    x = 11,028,371.10

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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.