Home / 12,823,261.07-17,695,568.83-7,021,942.86

Finding the Fourth Proportional to 12,823,261.07, 17,695,568.83 and 7,021,942.86

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Solution

The fourth proportional to 12,823,261.07, 17,695,568.83 and 7,021,942.86 is: 9,689,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823,261.07 : 17,695,568.83 = 7,021,942.86 : x
  2. Step 2: Convert to fraction form
    12,823,261.07/17,695,568.83 = 7,021,942.86/x
  3. Step 3: Cross multiply
    12,823,261.07x = 17,695,568.83 × 7,021,942.86
  4. Step 4: Simplify right side
    12,823,261.07x = 124,257,273,075,869.50
  5. Step 5: Solve for x
    x = 124,257,273,075,869.50/12,823,261.07
  6. Step 6: Final answer
    x = 9,689,990.12

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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.