Home / 25,494,579-38,241,820.71-7,988,476.42

Finding the Fourth Proportional to 25,494,579, 38,241,820.71 and 7,988,476.42

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Solution

The fourth proportional to 25,494,579, 38,241,820.71 and 7,988,476.42 is: 11,982,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494,579 : 38,241,820.71 = 7,988,476.42 : x
  2. Step 2: Convert to fraction form
    25,494,579/38,241,820.71 = 7,988,476.42/x
  3. Step 3: Cross multiply
    25,494,579x = 38,241,820.71 × 7,988,476.42
  4. Step 4: Simplify right side
    25,494,579x = 305,493,882,999,702.69
  5. Step 5: Solve for x
    x = 305,493,882,999,702.69/25,494,579
  6. Step 6: Final answer
    x = 11,982,699.66

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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.