Home / 28,474,036.68-42,726,603.95-12,076,770.60

Finding the Fourth Proportional to 28,474,036.68, 42,726,603.95 and 12,076,770.60

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Solution

The fourth proportional to 28,474,036.68, 42,726,603.95 and 12,076,770.60 is: 18,121,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,036.68 : 42,726,603.95 = 12,076,770.60 : x
  2. Step 2: Convert to fraction form
    28,474,036.68/42,726,603.95 = 12,076,770.60/x
  3. Step 3: Cross multiply
    28,474,036.68x = 42,726,603.95 × 12,076,770.60
  4. Step 4: Simplify right side
    28,474,036.68x = 515,999,394,474,039.69
  5. Step 5: Solve for x
    x = 515,999,394,474,039.69/28,474,036.68
  6. Step 6: Final answer
    x = 18,121,750.71

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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.