Home / 15,704,198.88-21,671,828.28-8,828,737.44

Finding the Fourth Proportional to 15,704,198.88, 21,671,828.28 and 8,828,737.44

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Solution

The fourth proportional to 15,704,198.88, 21,671,828.28 and 8,828,737.44 is: 12,183,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,198.88 : 21,671,828.28 = 8,828,737.44 : x
  2. Step 2: Convert to fraction form
    15,704,198.88/21,671,828.28 = 8,828,737.44/x
  3. Step 3: Cross multiply
    15,704,198.88x = 21,671,828.28 × 8,828,737.44
  4. Step 4: Simplify right side
    15,704,198.88x = 191,334,881,728,886.81
  5. Step 5: Solve for x
    x = 191,334,881,728,886.81/15,704,198.88
  6. Step 6: Final answer
    x = 12,183,676.68

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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.