Home / 18,957,372.21-28,437,240.02-7,596,344.61

Finding the Fourth Proportional to 18,957,372.21, 28,437,240.02 and 7,596,344.61

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Solution

The fourth proportional to 18,957,372.21, 28,437,240.02 and 7,596,344.61 is: 11,394,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,372.21 : 28,437,240.02 = 7,596,344.61 : x
  2. Step 2: Convert to fraction form
    18,957,372.21/28,437,240.02 = 7,596,344.61/x
  3. Step 3: Cross multiply
    18,957,372.21x = 28,437,240.02 × 7,596,344.61
  4. Step 4: Simplify right side
    18,957,372.21x = 216,019,074,911,221.59
  5. Step 5: Solve for x
    x = 216,019,074,911,221.59/18,957,372.21
  6. Step 6: Final answer
    x = 11,394,990.43

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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.