Home / 19,919,362.65-27,488,782.45-11,548,364.05

Finding the Fourth Proportional to 19,919,362.65, 27,488,782.45 and 11,548,364.05

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Solution

The fourth proportional to 19,919,362.65, 27,488,782.45 and 11,548,364.05 is: 15,936,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919,362.65 : 27,488,782.45 = 11,548,364.05 : x
  2. Step 2: Convert to fraction form
    19,919,362.65/27,488,782.45 = 11,548,364.05/x
  3. Step 3: Cross multiply
    19,919,362.65x = 27,488,782.45 × 11,548,364.05
  4. Step 4: Simplify right side
    19,919,362.65x = 317,450,467,023,850.94
  5. Step 5: Solve for x
    x = 317,450,467,023,850.94/19,919,362.65
  6. Step 6: Final answer
    x = 15,936,778.33

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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.