Home / 7,137,908.65-10,710,912.37-3,855,222.51

Finding the Fourth Proportional to 7,137,908.65, 10,710,912.37 and 3,855,222.51

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Solution

The fourth proportional to 7,137,908.65, 10,710,912.37 and 3,855,222.51 is: 5,785,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,908.65 : 10,710,912.37 = 3,855,222.51 : x
  2. Step 2: Convert to fraction form
    7,137,908.65/10,710,912.37 = 3,855,222.51/x
  3. Step 3: Cross multiply
    7,137,908.65x = 10,710,912.37 × 3,855,222.51
  4. Step 4: Simplify right side
    7,137,908.65x = 41,292,950,428,886.02
  5. Step 5: Solve for x
    x = 41,292,950,428,886.02/7,137,908.65
  6. Step 6: Final answer
    x = 5,785,020.86

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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.