Home / 25,171,885.40-37,757,828.10-21,132,933.80

Finding the Fourth Proportional to 25,171,885.40, 37,757,828.10 and 21,132,933.80

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Solution

The fourth proportional to 25,171,885.40, 37,757,828.10 and 21,132,933.80 is: 31,699,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171,885.40 : 37,757,828.10 = 21,132,933.80 : x
  2. Step 2: Convert to fraction form
    25,171,885.40/37,757,828.10 = 21,132,933.80/x
  3. Step 3: Cross multiply
    25,171,885.40x = 37,757,828.10 × 21,132,933.80
  4. Step 4: Simplify right side
    25,171,885.40x = 797,933,681,669,079.88
  5. Step 5: Solve for x
    x = 797,933,681,669,079.88/25,171,885.40
  6. Step 6: Final answer
    x = 31,699,400.70

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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.