Home / 25,825,347.72-35,642,854.45-19,620,183.55

Finding the Fourth Proportional to 25,825,347.72, 35,642,854.45 and 19,620,183.55

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Solution

The fourth proportional to 25,825,347.72, 35,642,854.45 and 19,620,183.55 is: 27,078,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825,347.72 : 35,642,854.45 = 19,620,183.55 : x
  2. Step 2: Convert to fraction form
    25,825,347.72/35,642,854.45 = 19,620,183.55/x
  3. Step 3: Cross multiply
    25,825,347.72x = 35,642,854.45 × 19,620,183.55
  4. Step 4: Simplify right side
    25,825,347.72x = 699,319,346,510,726
  5. Step 5: Solve for x
    x = 699,319,346,510,726/25,825,347.72
  6. Step 6: Final answer
    x = 27,078,796.93

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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.