Home / 25,687,207.89-38,524,915.59-15,315,361.76

Finding the Fourth Proportional to 25,687,207.89, 38,524,915.59 and 15,315,361.76

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Solution

The fourth proportional to 25,687,207.89, 38,524,915.59 and 15,315,361.76 is: 22,969,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687,207.89 : 38,524,915.59 = 15,315,361.76 : x
  2. Step 2: Convert to fraction form
    25,687,207.89/38,524,915.59 = 15,315,361.76/x
  3. Step 3: Cross multiply
    25,687,207.89x = 38,524,915.59 × 15,315,361.76
  4. Step 4: Simplify right side
    25,687,207.89x = 590,023,018,942,655.12
  5. Step 5: Solve for x
    x = 590,023,018,942,655.12/25,687,207.89
  6. Step 6: Final answer
    x = 22,969,527.15

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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.