Home / 31,326,438.66-46,991,922.75-13,112,315.34

Finding the Fourth Proportional to 31,326,438.66, 46,991,922.75 and 13,112,315.34

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Solution

The fourth proportional to 31,326,438.66, 46,991,922.75 and 13,112,315.34 is: 19,669,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326,438.66 : 46,991,922.75 = 13,112,315.34 : x
  2. Step 2: Convert to fraction form
    31,326,438.66/46,991,922.75 = 13,112,315.34/x
  3. Step 3: Cross multiply
    31,326,438.66x = 46,991,922.75 × 13,112,315.34
  4. Step 4: Simplify right side
    31,326,438.66x = 616,172,909,530,920
  5. Step 5: Solve for x
    x = 616,172,909,530,920/31,326,438.66
  6. Step 6: Final answer
    x = 19,669,420.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.