Home / 25,657,040.70-38,431,906.65-12,021,824.70

Finding the Fourth Proportional to 25,657,040.70, 38,431,906.65 and 12,021,824.70

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Solution

The fourth proportional to 25,657,040.70, 38,431,906.65 and 12,021,824.70 is: 18,007,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657,040.70 : 38,431,906.65 = 12,021,824.70 : x
  2. Step 2: Convert to fraction form
    25,657,040.70/38,431,906.65 = 12,021,824.70/x
  3. Step 3: Cross multiply
    25,657,040.70x = 38,431,906.65 × 12,021,824.70
  4. Step 4: Simplify right side
    25,657,040.70x = 462,021,644,633,064.19
  5. Step 5: Solve for x
    x = 462,021,644,633,064.19/25,657,040.70
  6. Step 6: Final answer
    x = 18,007,596.82

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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.