Home / 14,485,784.31-21,738,886.11-6,809,778.81

Finding the Fourth Proportional to 14,485,784.31, 21,738,886.11 and 6,809,778.81

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Solution

The fourth proportional to 14,485,784.31, 21,738,886.11 and 6,809,778.81 is: 10,219,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485,784.31 : 21,738,886.11 = 6,809,778.81 : x
  2. Step 2: Convert to fraction form
    14,485,784.31/21,738,886.11 = 6,809,778.81/x
  3. Step 3: Cross multiply
    14,485,784.31x = 21,738,886.11 × 6,809,778.81
  4. Step 4: Simplify right side
    14,485,784.31x = 148,037,005,984,881.31
  5. Step 5: Solve for x
    x = 148,037,005,984,881.31/14,485,784.31
  6. Step 6: Final answer
    x = 10,219,467.78

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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.