Home / 15,704,197.38-21,671,826.21-8,828,735.94

Finding the Fourth Proportional to 15,704,197.38, 21,671,826.21 and 8,828,735.94

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Solution

The fourth proportional to 15,704,197.38, 21,671,826.21 and 8,828,735.94 is: 12,183,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,197.38 : 21,671,826.21 = 8,828,735.94 : x
  2. Step 2: Convert to fraction form
    15,704,197.38/21,671,826.21 = 8,828,735.94/x
  3. Step 3: Cross multiply
    15,704,197.38x = 21,671,826.21 × 8,828,735.94
  4. Step 4: Simplify right side
    15,704,197.38x = 191,334,830,945,660.97
  5. Step 5: Solve for x
    x = 191,334,830,945,660.97/15,704,197.38
  6. Step 6: Final answer
    x = 12,183,674.61

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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.