Home / 7,007,390.85-9,668,369.33-4,105,221.60

Finding the Fourth Proportional to 7,007,390.85, 9,668,369.33 and 4,105,221.60

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Solution

The fourth proportional to 7,007,390.85, 9,668,369.33 and 4,105,221.60 is: 5,664,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007,390.85 : 9,668,369.33 = 4,105,221.60 : x
  2. Step 2: Convert to fraction form
    7,007,390.85/9,668,369.33 = 4,105,221.60/x
  3. Step 3: Cross multiply
    7,007,390.85x = 9,668,369.33 × 4,105,221.60
  4. Step 4: Simplify right side
    7,007,390.85x = 39,690,798,589,767.41
  5. Step 5: Solve for x
    x = 39,690,798,589,767.41/7,007,390.85
  6. Step 6: Final answer
    x = 5,664,133.69

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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.