Home / 31,109,696.40-46,664,544.60-13,158,800.40

Finding the Fourth Proportional to 31,109,696.40, 46,664,544.60 and 13,158,800.40

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Solution

The fourth proportional to 31,109,696.40, 46,664,544.60 and 13,158,800.40 is: 19,738,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,696.40 : 46,664,544.60 = 13,158,800.40 : x
  2. Step 2: Convert to fraction form
    31,109,696.40/46,664,544.60 = 13,158,800.40/x
  3. Step 3: Cross multiply
    31,109,696.40x = 46,664,544.60 × 13,158,800.40
  4. Step 4: Simplify right side
    31,109,696.40x = 614,049,428,148,297.88
  5. Step 5: Solve for x
    x = 614,049,428,148,297.88/31,109,696.40
  6. Step 6: Final answer
    x = 19,738,200.60

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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.