Home / 13,169,729.10-19,796,584.05-12,413,901.90

Finding the Fourth Proportional to 13,169,729.10, 19,796,584.05 and 12,413,901.90

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Solution

The fourth proportional to 13,169,729.10, 19,796,584.05 and 12,413,901.90 is: 18,660,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,729.10 : 19,796,584.05 = 12,413,901.90 : x
  2. Step 2: Convert to fraction form
    13,169,729.10/19,796,584.05 = 12,413,901.90/x
  3. Step 3: Cross multiply
    13,169,729.10x = 19,796,584.05 × 12,413,901.90
  4. Step 4: Simplify right side
    13,169,729.10x = 245,752,852,351,804.72
  5. Step 5: Solve for x
    x = 245,752,852,351,804.72/13,169,729.10
  6. Step 6: Final answer
    x = 18,660,433.37

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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.