Home / 19,207,940.32-28,811,959.68-7,848,388.90

Finding the Fourth Proportional to 19,207,940.32, 28,811,959.68 and 7,848,388.90

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Solution

The fourth proportional to 19,207,940.32, 28,811,959.68 and 7,848,388.90 is: 11,772,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,940.32 : 28,811,959.68 = 7,848,388.90 : x
  2. Step 2: Convert to fraction form
    19,207,940.32/28,811,959.68 = 7,848,388.90/x
  3. Step 3: Cross multiply
    19,207,940.32x = 28,811,959.68 × 7,848,388.90
  4. Step 4: Simplify right side
    19,207,940.32x = 226,127,464,539,759.56
  5. Step 5: Solve for x
    x = 226,127,464,539,759.56/19,207,940.32
  6. Step 6: Final answer
    x = 11,772,603.45

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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.