Home / 13,170,360.65-19,707,046.98-7,964,403.98

Finding the Fourth Proportional to 13,170,360.65, 19,707,046.98 and 7,964,403.98

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Solution

The fourth proportional to 13,170,360.65, 19,707,046.98 and 7,964,403.98 is: 11,917,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170,360.65 : 19,707,046.98 = 7,964,403.98 : x
  2. Step 2: Convert to fraction form
    13,170,360.65/19,707,046.98 = 7,964,403.98/x
  3. Step 3: Cross multiply
    13,170,360.65x = 19,707,046.98 × 7,964,403.98
  4. Step 4: Simplify right side
    13,170,360.65x = 156,954,883,273,157.22
  5. Step 5: Solve for x
    x = 156,954,883,273,157.22/13,170,360.65
  6. Step 6: Final answer
    x = 11,917,280.59

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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.