Home / 31,231,175.40-46,778,535.18-12,980,035.08

Finding the Fourth Proportional to 31,231,175.40, 46,778,535.18 and 12,980,035.08

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Solution

The fourth proportional to 31,231,175.40, 46,778,535.18 and 12,980,035.08 is: 19,441,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231,175.40 : 46,778,535.18 = 12,980,035.08 : x
  2. Step 2: Convert to fraction form
    31,231,175.40/46,778,535.18 = 12,980,035.08/x
  3. Step 3: Cross multiply
    31,231,175.40x = 46,778,535.18 × 12,980,035.08
  4. Step 4: Simplify right side
    31,231,175.40x = 607,187,027,627,414.12
  5. Step 5: Solve for x
    x = 607,187,027,627,414.12/31,231,175.40
  6. Step 6: Final answer
    x = 19,441,696.31

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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.