Home / 19,222,469.40-28,833,704.10-7,859,141.40

Finding the Fourth Proportional to 19,222,469.40, 28,833,704.10 and 7,859,141.40

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Solution

The fourth proportional to 19,222,469.40, 28,833,704.10 and 7,859,141.40 is: 11,788,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222,469.40 : 28,833,704.10 = 7,859,141.40 : x
  2. Step 2: Convert to fraction form
    19,222,469.40/28,833,704.10 = 7,859,141.40/x
  3. Step 3: Cross multiply
    19,222,469.40x = 28,833,704.10 × 7,859,141.40
  4. Step 4: Simplify right side
    19,222,469.40x = 226,608,157,607,659.75
  5. Step 5: Solve for x
    x = 226,608,157,607,659.75/19,222,469.40
  6. Step 6: Final answer
    x = 11,788,712.10

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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.