Home / 7,151,309.22-10,728,283.30-2,359,329.78

Finding the Fourth Proportional to 7,151,309.22, 10,728,283.30 and 2,359,329.78

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Solution

The fourth proportional to 7,151,309.22, 10,728,283.30 and 2,359,329.78 is: 3,539,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,309.22 : 10,728,283.30 = 2,359,329.78 : x
  2. Step 2: Convert to fraction form
    7,151,309.22/10,728,283.30 = 2,359,329.78/x
  3. Step 3: Cross multiply
    7,151,309.22x = 10,728,283.30 × 2,359,329.78
  4. Step 4: Simplify right side
    7,151,309.22x = 25,311,558,277,966.67
  5. Step 5: Solve for x
    x = 25,311,558,277,966.67/7,151,309.22
  6. Step 6: Final answer
    x = 3,539,429.98

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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.