Home / 7,447,403.80-11,171,105.70-3,668,267.80

Finding the Fourth Proportional to 7,447,403.80, 11,171,105.70 and 3,668,267.80

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Solution

The fourth proportional to 7,447,403.80, 11,171,105.70 and 3,668,267.80 is: 5,502,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,403.80 : 11,171,105.70 = 3,668,267.80 : x
  2. Step 2: Convert to fraction form
    7,447,403.80/11,171,105.70 = 3,668,267.80/x
  3. Step 3: Cross multiply
    7,447,403.80x = 11,171,105.70 × 3,668,267.80
  4. Step 4: Simplify right side
    7,447,403.80x = 40,978,607,329,706.45
  5. Step 5: Solve for x
    x = 40,978,607,329,706.45/7,447,403.80
  6. Step 6: Final answer
    x = 5,502,401.70

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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.