Home / 6,642,407.95-9,166,615.23-3,702,143.73

Finding the Fourth Proportional to 6,642,407.95, 9,166,615.23 and 3,702,143.73

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Solution

The fourth proportional to 6,642,407.95, 9,166,615.23 and 3,702,143.73 is: 5,109,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,407.95 : 9,166,615.23 = 3,702,143.73 : x
  2. Step 2: Convert to fraction form
    6,642,407.95/9,166,615.23 = 3,702,143.73/x
  3. Step 3: Cross multiply
    6,642,407.95x = 9,166,615.23 × 3,702,143.73
  4. Step 4: Simplify right side
    6,642,407.95x = 33,936,127,099,067.01
  5. Step 5: Solve for x
    x = 33,936,127,099,067.01/6,642,407.95
  6. Step 6: Final answer
    x = 5,109,009.77

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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.