Home / 31,493,372.64-43,461,775.40-18,439,410.20

Finding the Fourth Proportional to 31,493,372.64, 43,461,775.40 and 18,439,410.20

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Solution

The fourth proportional to 31,493,372.64, 43,461,775.40 and 18,439,410.20 is: 25,446,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493,372.64 : 43,461,775.40 = 18,439,410.20 : x
  2. Step 2: Convert to fraction form
    31,493,372.64/43,461,775.40 = 18,439,410.20/x
  3. Step 3: Cross multiply
    31,493,372.64x = 43,461,775.40 × 18,439,410.20
  4. Step 4: Simplify right side
    31,493,372.64x = 801,409,504,620,869
  5. Step 5: Solve for x
    x = 801,409,504,620,869/31,493,372.64
  6. Step 6: Final answer
    x = 25,446,925.41

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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.