Home / 42,679,959.57-64,022,789.79-15,010,556.85

Finding the Fourth Proportional to 42,679,959.57, 64,022,789.79 and 15,010,556.85

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Solution

The fourth proportional to 42,679,959.57, 64,022,789.79 and 15,010,556.85 is: 22,516,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,959.57 : 64,022,789.79 = 15,010,556.85 : x
  2. Step 2: Convert to fraction form
    42,679,959.57/64,022,789.79 = 15,010,556.85/x
  3. Step 3: Cross multiply
    42,679,959.57x = 64,022,789.79 × 15,010,556.85
  4. Step 4: Simplify right side
    42,679,959.57x = 961,017,725,838,394.50
  5. Step 5: Solve for x
    x = 961,017,725,838,394.50/42,679,959.57
  6. Step 6: Final answer
    x = 22,516,837.77

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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.