Home / 8,691,289.20-11,994,539.54-4,823,810.55

Finding the Fourth Proportional to 8,691,289.20, 11,994,539.54 and 4,823,810.55

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Solution

The fourth proportional to 8,691,289.20, 11,994,539.54 and 4,823,810.55 is: 6,657,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,289.20 : 11,994,539.54 = 4,823,810.55 : x
  2. Step 2: Convert to fraction form
    8,691,289.20/11,994,539.54 = 4,823,810.55/x
  3. Step 3: Cross multiply
    8,691,289.20x = 11,994,539.54 × 4,823,810.55
  4. Step 4: Simplify right side
    8,691,289.20x = 57,859,386,351,325.09
  5. Step 5: Solve for x
    x = 57,859,386,351,325.09/8,691,289.20
  6. Step 6: Final answer
    x = 6,657,169.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.