Home / 38,139,689.17-52,632,378.88-28,393,717.33

Finding the Fourth Proportional to 38,139,689.17, 52,632,378.88 and 28,393,717.33

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Solution

The fourth proportional to 38,139,689.17, 52,632,378.88 and 28,393,717.33 is: 39,183,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139,689.17 : 52,632,378.88 = 28,393,717.33 : x
  2. Step 2: Convert to fraction form
    38,139,689.17/52,632,378.88 = 28,393,717.33/x
  3. Step 3: Cross multiply
    38,139,689.17x = 52,632,378.88 × 28,393,717.33
  4. Step 4: Simplify right side
    38,139,689.17x = 1,494,428,888,324,182
  5. Step 5: Solve for x
    x = 1,494,428,888,324,182/38,139,689.17
  6. Step 6: Final answer
    x = 39,183,037.95

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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.