Home / 12,217,912.29-16,859,735.69-7,061,607.81

Finding the Fourth Proportional to 12,217,912.29, 16,859,735.69 and 7,061,607.81

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Solution

The fourth proportional to 12,217,912.29, 16,859,735.69 and 7,061,607.81 is: 9,744,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,912.29 : 16,859,735.69 = 7,061,607.81 : x
  2. Step 2: Convert to fraction form
    12,217,912.29/16,859,735.69 = 7,061,607.81/x
  3. Step 3: Cross multiply
    12,217,912.29x = 16,859,735.69 × 7,061,607.81
  4. Step 4: Simplify right side
    12,217,912.29x = 119,056,841,187,731.69
  5. Step 5: Solve for x
    x = 119,056,841,187,731.69/12,217,912.29
  6. Step 6: Final answer
    x = 9,744,450.47

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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.