Home / 25,288,619.30-34,898,399.82-13,686,181.76

Finding the Fourth Proportional to 25,288,619.30, 34,898,399.82 and 13,686,181.76

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Solution

The fourth proportional to 25,288,619.30, 34,898,399.82 and 13,686,181.76 is: 18,886,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288,619.30 : 34,898,399.82 = 13,686,181.76 : x
  2. Step 2: Convert to fraction form
    25,288,619.30/34,898,399.82 = 13,686,181.76/x
  3. Step 3: Cross multiply
    25,288,619.30x = 34,898,399.82 × 13,686,181.76
  4. Step 4: Simplify right side
    25,288,619.30x = 477,625,842,922,100.88
  5. Step 5: Solve for x
    x = 477,625,842,922,100.88/25,288,619.30
  6. Step 6: Final answer
    x = 18,886,987.75

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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.