Home / 7,309,251.36-10,086,789.96-3,956,417.28

Finding the Fourth Proportional to 7,309,251.36, 10,086,789.96 and 3,956,417.28

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Solution

The fourth proportional to 7,309,251.36, 10,086,789.96 and 3,956,417.28 is: 5,459,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309,251.36 : 10,086,789.96 = 3,956,417.28 : x
  2. Step 2: Convert to fraction form
    7,309,251.36/10,086,789.96 = 3,956,417.28/x
  3. Step 3: Cross multiply
    7,309,251.36x = 10,086,789.96 × 3,956,417.28
  4. Step 4: Simplify right side
    7,309,251.36x = 39,907,550,097,474.51
  5. Step 5: Solve for x
    x = 39,907,550,097,474.51/7,309,251.36
  6. Step 6: Final answer
    x = 5,459,868.34

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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.