Home / 28,473,978.42-42,726,516.42-12,076,712.36

Finding the Fourth Proportional to 28,473,978.42, 42,726,516.42 and 12,076,712.36

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Solution

The fourth proportional to 28,473,978.42, 42,726,516.42 and 12,076,712.36 is: 18,121,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,978.42 : 42,726,516.42 = 12,076,712.36 : x
  2. Step 2: Convert to fraction form
    28,473,978.42/42,726,516.42 = 12,076,712.36/x
  3. Step 3: Cross multiply
    28,473,978.42x = 42,726,516.42 × 12,076,712.36
  4. Step 4: Simplify right side
    28,473,978.42x = 515,995,848,735,524.44
  5. Step 5: Solve for x
    x = 515,995,848,735,524.44/28,473,978.42
  6. Step 6: Final answer
    x = 18,121,663.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.