Home / 12,426,664.56-18,631,330.92-5,506,380.09

Finding the Fourth Proportional to 12,426,664.56, 18,631,330.92 and 5,506,380.09

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Solution

The fourth proportional to 12,426,664.56, 18,631,330.92 and 5,506,380.09 is: 8,255,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,664.56 : 18,631,330.92 = 5,506,380.09 : x
  2. Step 2: Convert to fraction form
    12,426,664.56/18,631,330.92 = 5,506,380.09/x
  3. Step 3: Cross multiply
    12,426,664.56x = 18,631,330.92 × 5,506,380.09
  4. Step 4: Simplify right side
    12,426,664.56x = 102,591,189,628,089.39
  5. Step 5: Solve for x
    x = 102,591,189,628,089.39/12,426,664.56
  6. Step 6: Final answer
    x = 8,255,730.18

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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.