Home / 7,135,913.69-9,847,565.95-3,872,727.64

Finding the Fourth Proportional to 7,135,913.69, 9,847,565.95 and 3,872,727.64

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Solution

The fourth proportional to 7,135,913.69, 9,847,565.95 and 3,872,727.64 is: 5,344,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,913.69 : 9,847,565.95 = 3,872,727.64 : x
  2. Step 2: Convert to fraction form
    7,135,913.69/9,847,565.95 = 3,872,727.64/x
  3. Step 3: Cross multiply
    7,135,913.69x = 9,847,565.95 × 3,872,727.64
  4. Step 4: Simplify right side
    7,135,913.69x = 38,136,940,841,287.86
  5. Step 5: Solve for x
    x = 38,136,940,841,287.86/7,135,913.69
  6. Step 6: Final answer
    x = 5,344,366.89

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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.