Home / 19,038,240.62-28,556,815.94-5,391,354.73

Finding the Fourth Proportional to 19,038,240.62, 28,556,815.94 and 5,391,354.73

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Solution

The fourth proportional to 19,038,240.62, 28,556,815.94 and 5,391,354.73 is: 8,086,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,240.62 : 28,556,815.94 = 5,391,354.73 : x
  2. Step 2: Convert to fraction form
    19,038,240.62/28,556,815.94 = 5,391,354.73/x
  3. Step 3: Cross multiply
    19,038,240.62x = 28,556,815.94 × 5,391,354.73
  4. Step 4: Simplify right side
    19,038,240.62x = 153,959,924,593,509.56
  5. Step 5: Solve for x
    x = 153,959,924,593,509.56/19,038,240.62
  6. Step 6: Final answer
    x = 8,086,877.76

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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.