Home / 15,172,386.75-20,937,884.67-8,296,868.88

Finding the Fourth Proportional to 15,172,386.75, 20,937,884.67 and 8,296,868.88

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Solution

The fourth proportional to 15,172,386.75, 20,937,884.67 and 8,296,868.88 is: 11,449,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172,386.75 : 20,937,884.67 = 8,296,868.88 : x
  2. Step 2: Convert to fraction form
    15,172,386.75/20,937,884.67 = 8,296,868.88/x
  3. Step 3: Cross multiply
    15,172,386.75x = 20,937,884.67 × 8,296,868.88
  4. Step 4: Simplify right side
    15,172,386.75x = 173,718,883,731,552.09
  5. Step 5: Solve for x
    x = 173,718,883,731,552.09/15,172,386.75
  6. Step 6: Final answer
    x = 11,449,674.11

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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.