Home / 8,368,612.80-12,555,057.60-2,688,892.80

Finding the Fourth Proportional to 8,368,612.80, 12,555,057.60 and 2,688,892.80

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Solution

The fourth proportional to 8,368,612.80, 12,555,057.60 and 2,688,892.80 is: 4,034,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368,612.80 : 12,555,057.60 = 2,688,892.80 : x
  2. Step 2: Convert to fraction form
    8,368,612.80/12,555,057.60 = 2,688,892.80/x
  3. Step 3: Cross multiply
    8,368,612.80x = 12,555,057.60 × 2,688,892.80
  4. Step 4: Simplify right side
    8,368,612.80x = 33,759,203,984,225.28
  5. Step 5: Solve for x
    x = 33,759,203,984,225.28/8,368,612.80
  6. Step 6: Final answer
    x = 4,034,026.28

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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.