Home / 25,395,642.80-38,103,557.87-8,126,504.42

Finding the Fourth Proportional to 25,395,642.80, 38,103,557.87 and 8,126,504.42

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Solution

The fourth proportional to 25,395,642.80, 38,103,557.87 and 8,126,504.42 is: 12,192,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395,642.80 : 38,103,557.87 = 8,126,504.42 : x
  2. Step 2: Convert to fraction form
    25,395,642.80/38,103,557.87 = 8,126,504.42/x
  3. Step 3: Cross multiply
    25,395,642.80x = 38,103,557.87 × 8,126,504.42
  4. Step 4: Simplify right side
    25,395,642.80x = 309,648,731,563,856
  5. Step 5: Solve for x
    x = 309,648,731,563,856/25,395,642.80
  6. Step 6: Final answer
    x = 12,192,986.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.