Home / 28,474,035.75-42,726,602.54-12,076,769.66

Finding the Fourth Proportional to 28,474,035.75, 42,726,602.54 and 12,076,769.66

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Solution

The fourth proportional to 28,474,035.75, 42,726,602.54 and 12,076,769.66 is: 18,121,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474,035.75 : 42,726,602.54 = 12,076,769.66 : x
  2. Step 2: Convert to fraction form
    28,474,035.75/42,726,602.54 = 12,076,769.66/x
  3. Step 3: Cross multiply
    28,474,035.75x = 42,726,602.54 × 12,076,769.66
  4. Step 4: Simplify right side
    28,474,035.75x = 515,999,337,366,959.31
  5. Step 5: Solve for x
    x = 515,999,337,366,959.31/28,474,035.75
  6. Step 6: Final answer
    x = 18,121,749.30

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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.