Home / 6,839,493.12-9,438,216.96-3,742,001.28

Finding the Fourth Proportional to 6,839,493.12, 9,438,216.96 and 3,742,001.28

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Solution

The fourth proportional to 6,839,493.12, 9,438,216.96 and 3,742,001.28 is: 5,163,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839,493.12 : 9,438,216.96 = 3,742,001.28 : x
  2. Step 2: Convert to fraction form
    6,839,493.12/9,438,216.96 = 3,742,001.28/x
  3. Step 3: Cross multiply
    6,839,493.12x = 9,438,216.96 × 3,742,001.28
  4. Step 4: Simplify right side
    6,839,493.12x = 35,317,819,945,237.71
  5. Step 5: Solve for x
    x = 35,317,819,945,237.71/6,839,493.12
  6. Step 6: Final answer
    x = 5,163,806.63

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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.