Home / 13,217,381-19,822,707.62-4,117,782.48

Finding the Fourth Proportional to 13,217,381, 19,822,707.62 and 4,117,782.48

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Solution

The fourth proportional to 13,217,381, 19,822,707.62 and 4,117,782.48 is: 6,175,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,381 : 19,822,707.62 = 4,117,782.48 : x
  2. Step 2: Convert to fraction form
    13,217,381/19,822,707.62 = 4,117,782.48/x
  3. Step 3: Cross multiply
    13,217,381x = 19,822,707.62 × 4,117,782.48
  4. Step 4: Simplify right side
    13,217,381x = 81,625,598,143,798.50
  5. Step 5: Solve for x
    x = 81,625,598,143,798.50/13,217,381
  6. Step 6: Final answer
    x = 6,175,625.73

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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.