Home / 31,161,856.86-43,005,588.90-17,222,912.10

Finding the Fourth Proportional to 31,161,856.86, 43,005,588.90 and 17,222,912.10

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Solution

The fourth proportional to 31,161,856.86, 43,005,588.90 and 17,222,912.10 is: 23,768,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,856.86 : 43,005,588.90 = 17,222,912.10 : x
  2. Step 2: Convert to fraction form
    31,161,856.86/43,005,588.90 = 17,222,912.10/x
  3. Step 3: Cross multiply
    31,161,856.86x = 43,005,588.90 × 17,222,912.10
  4. Step 4: Simplify right side
    31,161,856.86x = 740,681,477,433,435.75
  5. Step 5: Solve for x
    x = 740,681,477,433,435.75/31,161,856.86
  6. Step 6: Final answer
    x = 23,768,849.23

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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.