Home / 31,507,268.55-47,260,902.83-12,331,652.55

Finding the Fourth Proportional to 31,507,268.55, 47,260,902.83 and 12,331,652.55

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Solution

The fourth proportional to 31,507,268.55, 47,260,902.83 and 12,331,652.55 is: 18,497,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,268.55 : 47,260,902.83 = 12,331,652.55 : x
  2. Step 2: Convert to fraction form
    31,507,268.55/47,260,902.83 = 12,331,652.55/x
  3. Step 3: Cross multiply
    31,507,268.55x = 47,260,902.83 × 12,331,652.55
  4. Step 4: Simplify right side
    31,507,268.55x = 582,805,032,837,213.50
  5. Step 5: Solve for x
    x = 582,805,032,837,213.50/31,507,268.55
  6. Step 6: Final answer
    x = 18,497,478.83

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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.