Home / 15,656,002.68-21,606,467.07-8,687,999.25

Finding the Fourth Proportional to 15,656,002.68, 21,606,467.07 and 8,687,999.25

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Solution

The fourth proportional to 15,656,002.68, 21,606,467.07 and 8,687,999.25 is: 11,990,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656,002.68 : 21,606,467.07 = 8,687,999.25 : x
  2. Step 2: Convert to fraction form
    15,656,002.68/21,606,467.07 = 8,687,999.25/x
  3. Step 3: Cross multiply
    15,656,002.68x = 21,606,467.07 × 8,687,999.25
  4. Step 4: Simplify right side
    15,656,002.68x = 187,716,969,731,889.69
  5. Step 5: Solve for x
    x = 187,716,969,731,889.69/15,656,002.68
  6. Step 6: Final answer
    x = 11,990,095.65

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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.