Home / 13,507,396.92-18,671,622.95-12,051,732.97

Finding the Fourth Proportional to 13,507,396.92, 18,671,622.95 and 12,051,732.97

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Solution

The fourth proportional to 13,507,396.92, 18,671,622.95 and 12,051,732.97 is: 16,659,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,396.92 : 18,671,622.95 = 12,051,732.97 : x
  2. Step 2: Convert to fraction form
    13,507,396.92/18,671,622.95 = 12,051,732.97/x
  3. Step 3: Cross multiply
    13,507,396.92x = 18,671,622.95 × 12,051,732.97
  4. Step 4: Simplify right side
    13,507,396.92x = 225,025,413,909,923.66
  5. Step 5: Solve for x
    x = 225,025,413,909,923.66/13,507,396.92
  6. Step 6: Final answer
    x = 16,659,421.15

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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.