Home / 8,190,627.30-12,285,940.95-4,159,548.90

Finding the Fourth Proportional to 8,190,627.30, 12,285,940.95 and 4,159,548.90

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Solution

The fourth proportional to 8,190,627.30, 12,285,940.95 and 4,159,548.90 is: 6,239,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,627.30 : 12,285,940.95 = 4,159,548.90 : x
  2. Step 2: Convert to fraction form
    8,190,627.30/12,285,940.95 = 4,159,548.90/x
  3. Step 3: Cross multiply
    8,190,627.30x = 12,285,940.95 × 4,159,548.90
  4. Step 4: Simplify right side
    8,190,627.30x = 51,103,972,164,037.45
  5. Step 5: Solve for x
    x = 51,103,972,164,037.45/8,190,627.30
  6. Step 6: Final answer
    x = 6,239,323.35

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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.