Home / 7,135,913.81-9,847,566.13-3,872,727.77

Finding the Fourth Proportional to 7,135,913.81, 9,847,566.13 and 3,872,727.77

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Solution

The fourth proportional to 7,135,913.81, 9,847,566.13 and 3,872,727.77 is: 5,344,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,913.81 : 9,847,566.13 = 3,872,727.77 : x
  2. Step 2: Convert to fraction form
    7,135,913.81/9,847,566.13 = 3,872,727.77/x
  3. Step 3: Cross multiply
    7,135,913.81x = 9,847,566.13 × 3,872,727.77
  4. Step 4: Simplify right side
    7,135,913.81x = 38,136,942,759,642.78
  5. Step 5: Solve for x
    x = 38,136,942,759,642.78/7,135,913.81
  6. Step 6: Final answer
    x = 5,344,367.07

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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.