Home / 12,528,087.40-18,792,131.10-8,874,922.60

Finding the Fourth Proportional to 12,528,087.40, 18,792,131.10 and 8,874,922.60

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Solution

The fourth proportional to 12,528,087.40, 18,792,131.10 and 8,874,922.60 is: 13,312,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,087.40 : 18,792,131.10 = 8,874,922.60 : x
  2. Step 2: Convert to fraction form
    12,528,087.40/18,792,131.10 = 8,874,922.60/x
  3. Step 3: Cross multiply
    12,528,087.40x = 18,792,131.10 × 8,874,922.60
  4. Step 4: Simplify right side
    12,528,087.40x = 166,778,709,001,552.88
  5. Step 5: Solve for x
    x = 166,778,709,001,552.88/12,528,087.40
  6. Step 6: Final answer
    x = 13,312,383.90

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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.