Home / 21,014,798.70-31,522,198.05-8,231,054.70

Finding the Fourth Proportional to 21,014,798.70, 31,522,198.05 and 8,231,054.70

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Solution

The fourth proportional to 21,014,798.70, 31,522,198.05 and 8,231,054.70 is: 12,346,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,798.70 : 31,522,198.05 = 8,231,054.70 : x
  2. Step 2: Convert to fraction form
    21,014,798.70/31,522,198.05 = 8,231,054.70/x
  3. Step 3: Cross multiply
    21,014,798.70x = 31,522,198.05 × 8,231,054.70
  4. Step 4: Simplify right side
    21,014,798.70x = 259,460,936,413,783.34
  5. Step 5: Solve for x
    x = 259,460,936,413,783.34/21,014,798.70
  6. Step 6: Final answer
    x = 12,346,582.05

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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.