Home / 8,368,577.80-12,555,005.10-2,688,857.80

Finding the Fourth Proportional to 8,368,577.80, 12,555,005.10 and 2,688,857.80

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Solution

The fourth proportional to 8,368,577.80, 12,555,005.10 and 2,688,857.80 is: 4,033,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,577.80 : 12,555,005.10 = 2,688,857.80 : x
  2. Step 2: Convert to fraction form
    8,368,577.80/12,555,005.10 = 2,688,857.80/x
  3. Step 3: Cross multiply
    8,368,577.80x = 12,555,005.10 × 2,688,857.80
  4. Step 4: Simplify right side
    8,368,577.80x = 33,758,623,392,174.78
  5. Step 5: Solve for x
    x = 33,758,623,392,174.78/8,368,577.80
  6. Step 6: Final answer
    x = 4,033,973.78

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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.