Home / 12,509,082.51-17,253,634.77-11,479,913.71

Finding the Fourth Proportional to 12,509,082.51, 17,253,634.77 and 11,479,913.71

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Solution

The fourth proportional to 12,509,082.51, 17,253,634.77 and 11,479,913.71 is: 15,834,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,082.51 : 17,253,634.77 = 11,479,913.71 : x
  2. Step 2: Convert to fraction form
    12,509,082.51/17,253,634.77 = 11,479,913.71/x
  3. Step 3: Cross multiply
    12,509,082.51x = 17,253,634.77 × 11,479,913.71
  4. Step 4: Simplify right side
    12,509,082.51x = 198,070,238,343,455.72
  5. Step 5: Solve for x
    x = 198,070,238,343,455.72/12,509,082.51
  6. Step 6: Final answer
    x = 15,834,113.99

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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.