Home / 12,570,437.35-18,847,939.31-4,885,108.62

Finding the Fourth Proportional to 12,570,437.35, 18,847,939.31 and 4,885,108.62

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Solution

The fourth proportional to 12,570,437.35, 18,847,939.31 and 4,885,108.62 is: 7,324,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,437.35 : 18,847,939.31 = 4,885,108.62 : x
  2. Step 2: Convert to fraction form
    12,570,437.35/18,847,939.31 = 4,885,108.62/x
  3. Step 3: Cross multiply
    12,570,437.35x = 18,847,939.31 × 4,885,108.62
  4. Step 4: Simplify right side
    12,570,437.35x = 92,074,230,715,731.69
  5. Step 5: Solve for x
    x = 92,074,230,715,731.69/12,570,437.35
  6. Step 6: Final answer
    x = 7,324,664.06

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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.