Home / 28,474,041.46-42,726,611.12-12,076,775.37

Finding the Fourth Proportional to 28,474,041.46, 42,726,611.12 and 12,076,775.37

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Solution

The fourth proportional to 28,474,041.46, 42,726,611.12 and 12,076,775.37 is: 18,121,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,041.46 : 42,726,611.12 = 12,076,775.37 : x
  2. Step 2: Convert to fraction form
    28,474,041.46/42,726,611.12 = 12,076,775.37/x
  3. Step 3: Cross multiply
    28,474,041.46x = 42,726,611.12 × 12,076,775.37
  4. Step 4: Simplify right side
    28,474,041.46x = 515,999,684,817,584.06
  5. Step 5: Solve for x
    x = 515,999,684,817,584.06/28,474,041.46
  6. Step 6: Final answer
    x = 18,121,757.87

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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.