Home / 12,645,533.79-17,451,259.04-7,749,809.96

Finding the Fourth Proportional to 12,645,533.79, 17,451,259.04 and 7,749,809.96

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Solution

The fourth proportional to 12,645,533.79, 17,451,259.04 and 7,749,809.96 is: 10,694,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645,533.79 : 17,451,259.04 = 7,749,809.96 : x
  2. Step 2: Convert to fraction form
    12,645,533.79/17,451,259.04 = 7,749,809.96/x
  3. Step 3: Cross multiply
    12,645,533.79x = 17,451,259.04 × 7,749,809.96
  4. Step 4: Simplify right side
    12,645,533.79x = 135,243,941,054,850.27
  5. Step 5: Solve for x
    x = 135,243,941,054,850.27/12,645,533.79
  6. Step 6: Final answer
    x = 10,694,996.61

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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.