Home / 31,115,741.40-46,673,612.10-13,162,512.60

Finding the Fourth Proportional to 31,115,741.40, 46,673,612.10 and 13,162,512.60

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Solution

The fourth proportional to 31,115,741.40, 46,673,612.10 and 13,162,512.60 is: 19,743,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,741.40 : 46,673,612.10 = 13,162,512.60 : x
  2. Step 2: Convert to fraction form
    31,115,741.40/46,673,612.10 = 13,162,512.60/x
  3. Step 3: Cross multiply
    31,115,741.40x = 46,673,612.10 × 13,162,512.60
  4. Step 4: Simplify right side
    31,115,741.40x = 614,342,007,353,762.50
  5. Step 5: Solve for x
    x = 614,342,007,353,762.50/31,115,741.40
  6. Step 6: Final answer
    x = 19,743,768.90

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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.