Home / 17,429,071.79-26,093,121.94-13,129,230.86

Finding the Fourth Proportional to 17,429,071.79, 26,093,121.94 and 13,129,230.86

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Solution

The fourth proportional to 17,429,071.79, 26,093,121.94 and 13,129,230.86 is: 19,655,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429,071.79 : 26,093,121.94 = 13,129,230.86 : x
  2. Step 2: Convert to fraction form
    17,429,071.79/26,093,121.94 = 13,129,230.86/x
  3. Step 3: Cross multiply
    17,429,071.79x = 26,093,121.94 × 13,129,230.86
  4. Step 4: Simplify right side
    17,429,071.79x = 342,582,621,718,334.31
  5. Step 5: Solve for x
    x = 342,582,621,718,334.31/17,429,071.79
  6. Step 6: Final answer
    x = 19,655,815.63

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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.