Home / 7,141,717.28-9,853,172.08-4,043,817.28

Finding the Fourth Proportional to 7,141,717.28, 9,853,172.08 and 4,043,817.28

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Solution

The fourth proportional to 7,141,717.28, 9,853,172.08 and 4,043,817.28 is: 5,579,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,717.28 : 9,853,172.08 = 4,043,817.28 : x
  2. Step 2: Convert to fraction form
    7,141,717.28/9,853,172.08 = 4,043,817.28/x
  3. Step 3: Cross multiply
    7,141,717.28x = 9,853,172.08 × 4,043,817.28
  4. Step 4: Simplify right side
    7,141,717.28x = 39,844,427,519,917.54
  5. Step 5: Solve for x
    x = 39,844,427,519,917.54/7,141,717.28
  6. Step 6: Final answer
    x = 5,579,110.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.