Home / 31,161,856-43,005,586.64-17,222,911.60

Finding the Fourth Proportional to 31,161,856, 43,005,586.64 and 17,222,911.60

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Solution

The fourth proportional to 31,161,856, 43,005,586.64 and 17,222,911.60 is: 23,768,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,856 : 43,005,586.64 = 17,222,911.60 : x
  2. Step 2: Convert to fraction form
    31,161,856/43,005,586.64 = 17,222,911.60/x
  3. Step 3: Cross multiply
    31,161,856x = 43,005,586.64 × 17,222,911.60
  4. Step 4: Simplify right side
    31,161,856x = 740,681,417,006,861.12
  5. Step 5: Solve for x
    x = 740,681,417,006,861.12/31,161,856
  6. Step 6: Final answer
    x = 23,768,847.95

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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.