Home / 12,465,459.21-18,704,110.41-8,633,179.11

Finding the Fourth Proportional to 12,465,459.21, 18,704,110.41 and 8,633,179.11

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Solution

The fourth proportional to 12,465,459.21, 18,704,110.41 and 8,633,179.11 is: 12,953,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,459.21 : 18,704,110.41 = 8,633,179.11 : x
  2. Step 2: Convert to fraction form
    12,465,459.21/18,704,110.41 = 8,633,179.11/x
  3. Step 3: Cross multiply
    12,465,459.21x = 18,704,110.41 × 8,633,179.11
  4. Step 4: Simplify right side
    12,465,459.21x = 161,475,935,262,745.53
  5. Step 5: Solve for x
    x = 161,475,935,262,745.53/12,465,459.21
  6. Step 6: Final answer
    x = 12,953,869.77

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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.