Home / 7,820,656.24-11,715,710.75-3,716,137.84

Finding the Fourth Proportional to 7,820,656.24, 11,715,710.75 and 3,716,137.84

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Solution

The fourth proportional to 7,820,656.24, 11,715,710.75 and 3,716,137.84 is: 5,566,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,656.24 : 11,715,710.75 = 3,716,137.84 : x
  2. Step 2: Convert to fraction form
    7,820,656.24/11,715,710.75 = 3,716,137.84/x
  3. Step 3: Cross multiply
    7,820,656.24x = 11,715,710.75 × 3,716,137.84
  4. Step 4: Simplify right side
    7,820,656.24x = 43,537,195,991,281.57
  5. Step 5: Solve for x
    x = 43,537,195,991,281.57/7,820,656.24
  6. Step 6: Final answer
    x = 5,566,949.20

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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.