Home / 7,143,686.44-9,858,557.75-4,004,007.61

Finding the Fourth Proportional to 7,143,686.44, 9,858,557.75 and 4,004,007.61

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Solution

The fourth proportional to 7,143,686.44, 9,858,557.75 and 4,004,007.61 is: 5,525,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,686.44 : 9,858,557.75 = 4,004,007.61 : x
  2. Step 2: Convert to fraction form
    7,143,686.44/9,858,557.75 = 4,004,007.61/x
  3. Step 3: Cross multiply
    7,143,686.44x = 9,858,557.75 × 4,004,007.61
  4. Step 4: Simplify right side
    7,143,686.44x = 39,473,740,254,624.48
  5. Step 5: Solve for x
    x = 39,473,740,254,624.48/7,143,686.44
  6. Step 6: Final answer
    x = 5,525,682.10

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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.