Home / 10,438,153.37-15,656,720.75-3,874,139.49

Finding the Fourth Proportional to 10,438,153.37, 15,656,720.75 and 3,874,139.49

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Solution

The fourth proportional to 10,438,153.37, 15,656,720.75 and 3,874,139.49 is: 5,811,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,153.37 : 15,656,720.75 = 3,874,139.49 : x
  2. Step 2: Convert to fraction form
    10,438,153.37/15,656,720.75 = 3,874,139.49/x
  3. Step 3: Cross multiply
    10,438,153.37x = 15,656,720.75 × 3,874,139.49
  4. Step 4: Simplify right side
    10,438,153.37x = 60,656,320,141,477.42
  5. Step 5: Solve for x
    x = 60,656,320,141,477.42/10,438,153.37
  6. Step 6: Final answer
    x = 5,811,020.21

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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.