Home / 20,571,548.26-30,852,600.40-12,264,702.20

Finding the Fourth Proportional to 20,571,548.26, 30,852,600.40 and 12,264,702.20

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Solution

The fourth proportional to 20,571,548.26, 30,852,600.40 and 12,264,702.20 is: 18,394,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,548.26 : 30,852,600.40 = 12,264,702.20 : x
  2. Step 2: Convert to fraction form
    20,571,548.26/30,852,600.40 = 12,264,702.20/x
  3. Step 3: Cross multiply
    20,571,548.26x = 30,852,600.40 × 12,264,702.20
  4. Step 4: Simplify right side
    20,571,548.26x = 378,397,956,065,154.38
  5. Step 5: Solve for x
    x = 378,397,956,065,154.38/20,571,548.26
  6. Step 6: Final answer
    x = 18,394,238.07

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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.