Home / 7,338,904.40-10,972,927.20-5,425,716.80

Finding the Fourth Proportional to 7,338,904.40, 10,972,927.20 and 5,425,716.80

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Solution

The fourth proportional to 7,338,904.40, 10,972,927.20 and 5,425,716.80 is: 8,112,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,904.40 : 10,972,927.20 = 5,425,716.80 : x
  2. Step 2: Convert to fraction form
    7,338,904.40/10,972,927.20 = 5,425,716.80/x
  3. Step 3: Cross multiply
    7,338,904.40x = 10,972,927.20 × 5,425,716.80
  4. Step 4: Simplify right side
    7,338,904.40x = 59,535,995,454,216.95
  5. Step 5: Solve for x
    x = 59,535,995,454,216.95/7,338,904.40
  6. Step 6: Final answer
    x = 8,112,381.93

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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.