Home / 13,879,591.82-19,119,612.77-11,807,972.47

Finding the Fourth Proportional to 13,879,591.82, 19,119,612.77 and 11,807,972.47

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Solution

The fourth proportional to 13,879,591.82, 19,119,612.77 and 11,807,972.47 is: 16,265,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,591.82 : 19,119,612.77 = 11,807,972.47 : x
  2. Step 2: Convert to fraction form
    13,879,591.82/19,119,612.77 = 11,807,972.47/x
  3. Step 3: Cross multiply
    13,879,591.82x = 19,119,612.77 × 11,807,972.47
  4. Step 4: Simplify right side
    13,879,591.82x = 225,763,861,129,622.38
  5. Step 5: Solve for x
    x = 225,763,861,129,622.38/13,879,591.82
  6. Step 6: Final answer
    x = 16,265,886.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.