Home / 12,426,664.93-18,631,331.49-5,506,380.47

Finding the Fourth Proportional to 12,426,664.93, 18,631,331.49 and 5,506,380.47

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Solution

The fourth proportional to 12,426,664.93, 18,631,331.49 and 5,506,380.47 is: 8,255,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,664.93 : 18,631,331.49 = 5,506,380.47 : x
  2. Step 2: Convert to fraction form
    12,426,664.93/18,631,331.49 = 5,506,380.47/x
  3. Step 3: Cross multiply
    12,426,664.93x = 18,631,331.49 × 5,506,380.47
  4. Step 4: Simplify right side
    12,426,664.93x = 102,591,199,753,475.33
  5. Step 5: Solve for x
    x = 102,591,199,753,475.33/12,426,664.93
  6. Step 6: Final answer
    x = 8,255,730.75

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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.