Home / 31,478,652.19-43,440,629.99-18,250,399.87

Finding the Fourth Proportional to 31,478,652.19, 43,440,629.99 and 18,250,399.87

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Solution

The fourth proportional to 31,478,652.19, 43,440,629.99 and 18,250,399.87 is: 25,185,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,652.19 : 43,440,629.99 = 18,250,399.87 : x
  2. Step 2: Convert to fraction form
    31,478,652.19/43,440,629.99 = 18,250,399.87/x
  3. Step 3: Cross multiply
    31,478,652.19x = 43,440,629.99 × 18,250,399.87
  4. Step 4: Simplify right side
    31,478,652.19x = 792,808,867,613,758.88
  5. Step 5: Solve for x
    x = 792,808,867,613,758.88/31,478,652.19
  6. Step 6: Final answer
    x = 25,185,603.98

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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.