Home / 17,728,428.80-26,605,750.40-7,098,489.60

Finding the Fourth Proportional to 17,728,428.80, 26,605,750.40 and 7,098,489.60

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Solution

The fourth proportional to 17,728,428.80, 26,605,750.40 and 7,098,489.60 is: 10,652,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728,428.80 : 26,605,750.40 = 7,098,489.60 : x
  2. Step 2: Convert to fraction form
    17,728,428.80/26,605,750.40 = 7,098,489.60/x
  3. Step 3: Cross multiply
    17,728,428.80x = 26,605,750.40 × 7,098,489.60
  4. Step 4: Simplify right side
    17,728,428.80x = 188,860,642,514,595.81
  5. Step 5: Solve for x
    x = 188,860,642,514,595.81/17,728,428.80
  6. Step 6: Final answer
    x = 10,652,982.54

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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.