Home / 7,338,981.40-11,008,472.10-6,205,240.60

Finding the Fourth Proportional to 7,338,981.40, 11,008,472.10 and 6,205,240.60

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Solution

The fourth proportional to 7,338,981.40, 11,008,472.10 and 6,205,240.60 is: 9,307,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,981.40 : 11,008,472.10 = 6,205,240.60 : x
  2. Step 2: Convert to fraction form
    7,338,981.40/11,008,472.10 = 6,205,240.60/x
  3. Step 3: Cross multiply
    7,338,981.40x = 11,008,472.10 × 6,205,240.60
  4. Step 4: Simplify right side
    7,338,981.40x = 68,310,218,018,887.25
  5. Step 5: Solve for x
    x = 68,310,218,018,887.25/7,338,981.40
  6. Step 6: Final answer
    x = 9,307,860.90

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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.