Home / 8,530,845.48-12,795,006.80-3,138,234.79

Finding the Fourth Proportional to 8,530,845.48, 12,795,006.80 and 3,138,234.79

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Solution

The fourth proportional to 8,530,845.48, 12,795,006.80 and 3,138,234.79 is: 4,706,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,845.48 : 12,795,006.80 = 3,138,234.79 : x
  2. Step 2: Convert to fraction form
    8,530,845.48/12,795,006.80 = 3,138,234.79/x
  3. Step 3: Cross multiply
    8,530,845.48x = 12,795,006.80 × 3,138,234.79
  4. Step 4: Simplify right side
    8,530,845.48x = 40,153,735,460,242.71
  5. Step 5: Solve for x
    x = 40,153,735,460,242.71/8,530,845.48
  6. Step 6: Final answer
    x = 4,706,888.15

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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.