Home / 31,519,950.18-43,495,656.66-18,288,102.04

Finding the Fourth Proportional to 31,519,950.18, 43,495,656.66 and 18,288,102.04

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Solution

The fourth proportional to 31,519,950.18, 43,495,656.66 and 18,288,102.04 is: 25,236,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519,950.18 : 43,495,656.66 = 18,288,102.04 : x
  2. Step 2: Convert to fraction form
    31,519,950.18/43,495,656.66 = 18,288,102.04/x
  3. Step 3: Cross multiply
    31,519,950.18x = 43,495,656.66 × 18,288,102.04
  4. Step 4: Simplify right side
    31,519,950.18x = 795,453,007,294,885.50
  5. Step 5: Solve for x
    x = 795,453,007,294,885.50/31,519,950.18
  6. Step 6: Final answer
    x = 25,236,493.17

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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.