Home / 12,488,154.77-18,734,251.03-3,850,233.32

Finding the Fourth Proportional to 12,488,154.77, 18,734,251.03 and 3,850,233.32

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Solution

The fourth proportional to 12,488,154.77, 18,734,251.03 and 3,850,233.32 is: 5,775,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,154.77 : 18,734,251.03 = 3,850,233.32 : x
  2. Step 2: Convert to fraction form
    12,488,154.77/18,734,251.03 = 3,850,233.32/x
  3. Step 3: Cross multiply
    12,488,154.77x = 18,734,251.03 × 3,850,233.32
  4. Step 4: Simplify right side
    12,488,154.77x = 72,131,237,578,160.36
  5. Step 5: Solve for x
    x = 72,131,237,578,160.36/12,488,154.77
  6. Step 6: Final answer
    x = 5,775,972.42

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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.