Home / 19,240,388.12-28,860,574.82-7,725,851.92

Finding the Fourth Proportional to 19,240,388.12, 28,860,574.82 and 7,725,851.92

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Solution

The fourth proportional to 19,240,388.12, 28,860,574.82 and 7,725,851.92 is: 11,588,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,388.12 : 28,860,574.82 = 7,725,851.92 : x
  2. Step 2: Convert to fraction form
    19,240,388.12/28,860,574.82 = 7,725,851.92/x
  3. Step 3: Cross multiply
    19,240,388.12x = 28,860,574.82 × 7,725,851.92
  4. Step 4: Simplify right side
    19,240,388.12x = 222,972,527,313,249.22
  5. Step 5: Solve for x
    x = 222,972,527,313,249.22/19,240,388.12
  6. Step 6: Final answer
    x = 11,588,774.92

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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.