Home / 31,231,175.90-46,778,535.93-12,980,035.58

Finding the Fourth Proportional to 31,231,175.90, 46,778,535.93 and 12,980,035.58

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Solution

The fourth proportional to 31,231,175.90, 46,778,535.93 and 12,980,035.58 is: 19,441,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231,175.90 : 46,778,535.93 = 12,980,035.58 : x
  2. Step 2: Convert to fraction form
    31,231,175.90/46,778,535.93 = 12,980,035.58/x
  3. Step 3: Cross multiply
    31,231,175.90x = 46,778,535.93 × 12,980,035.58
  4. Step 4: Simplify right side
    31,231,175.90x = 607,187,060,751,708.38
  5. Step 5: Solve for x
    x = 607,187,060,751,708.38/31,231,175.90
  6. Step 6: Final answer
    x = 19,441,697.06

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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.