Home / 12,914,418.80-19,371,628.20-7,245,714.80

Finding the Fourth Proportional to 12,914,418.80, 19,371,628.20 and 7,245,714.80

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Solution

The fourth proportional to 12,914,418.80, 19,371,628.20 and 7,245,714.80 is: 10,868,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914,418.80 : 19,371,628.20 = 7,245,714.80 : x
  2. Step 2: Convert to fraction form
    12,914,418.80/19,371,628.20 = 7,245,714.80/x
  3. Step 3: Cross multiply
    12,914,418.80x = 19,371,628.20 × 7,245,714.80
  4. Step 4: Simplify right side
    12,914,418.80x = 140,361,293,148,837.34
  5. Step 5: Solve for x
    x = 140,361,293,148,837.34/12,914,418.80
  6. Step 6: Final answer
    x = 10,868,572.20

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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.