Home / 28,662,462.98-42,951,179.16-21,052,227.86

Finding the Fourth Proportional to 28,662,462.98, 42,951,179.16 and 21,052,227.86

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Solution

The fourth proportional to 28,662,462.98, 42,951,179.16 and 21,052,227.86 is: 31,547,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662,462.98 : 42,951,179.16 = 21,052,227.86 : x
  2. Step 2: Convert to fraction form
    28,662,462.98/42,951,179.16 = 21,052,227.86/x
  3. Step 3: Cross multiply
    28,662,462.98x = 42,951,179.16 × 21,052,227.86
  4. Step 4: Simplify right side
    28,662,462.98x = 904,218,010,317,247.50
  5. Step 5: Solve for x
    x = 904,218,010,317,247.50/28,662,462.98
  6. Step 6: Final answer
    x = 31,547,114.81

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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.