Home / 12,791,796.60-19,187,694.90-8,014,222.20

Finding the Fourth Proportional to 12,791,796.60, 19,187,694.90 and 8,014,222.20

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Solution

The fourth proportional to 12,791,796.60, 19,187,694.90 and 8,014,222.20 is: 12,021,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,796.60 : 19,187,694.90 = 8,014,222.20 : x
  2. Step 2: Convert to fraction form
    12,791,796.60/19,187,694.90 = 8,014,222.20/x
  3. Step 3: Cross multiply
    12,791,796.60x = 19,187,694.90 × 8,014,222.20
  4. Step 4: Simplify right side
    12,791,796.60x = 153,774,450,434,406.78
  5. Step 5: Solve for x
    x = 153,774,450,434,406.78/12,791,796.60
  6. Step 6: Final answer
    x = 12,021,333.30

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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.