Home / 8,712,994.20-13,072,601.70-3,665,851.80

Finding the Fourth Proportional to 8,712,994.20, 13,072,601.70 and 3,665,851.80

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Solution

The fourth proportional to 8,712,994.20, 13,072,601.70 and 3,665,851.80 is: 5,500,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,994.20 : 13,072,601.70 = 3,665,851.80 : x
  2. Step 2: Convert to fraction form
    8,712,994.20/13,072,601.70 = 3,665,851.80/x
  3. Step 3: Cross multiply
    8,712,994.20x = 13,072,601.70 × 3,665,851.80
  4. Step 4: Simplify right side
    8,712,994.20x = 47,922,220,472,628.05
  5. Step 5: Solve for x
    x = 47,922,220,472,628.05/8,712,994.20
  6. Step 6: Final answer
    x = 5,500,086.35

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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.