Home / 8,821,818.80-13,232,728.20-7,758,936.80

Finding the Fourth Proportional to 8,821,818.80, 13,232,728.20 and 7,758,936.80

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Solution

The fourth proportional to 8,821,818.80, 13,232,728.20 and 7,758,936.80 is: 11,638,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,818.80 : 13,232,728.20 = 7,758,936.80 : x
  2. Step 2: Convert to fraction form
    8,821,818.80/13,232,728.20 = 7,758,936.80/x
  3. Step 3: Cross multiply
    8,821,818.80x = 13,232,728.20 × 7,758,936.80
  4. Step 4: Simplify right side
    8,821,818.80x = 102,671,901,795,377.75
  5. Step 5: Solve for x
    x = 102,671,901,795,377.75/8,821,818.80
  6. Step 6: Final answer
    x = 11,638,405.20

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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.