Home / 18,760,877.40-28,150,647.30-7,401,696.60

Finding the Fourth Proportional to 18,760,877.40, 28,150,647.30 and 7,401,696.60

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Solution

The fourth proportional to 18,760,877.40, 28,150,647.30 and 7,401,696.60 is: 11,106,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,877.40 : 28,150,647.30 = 7,401,696.60 : x
  2. Step 2: Convert to fraction form
    18,760,877.40/28,150,647.30 = 7,401,696.60/x
  3. Step 3: Cross multiply
    18,760,877.40x = 28,150,647.30 × 7,401,696.60
  4. Step 4: Simplify right side
    18,760,877.40x = 208,362,550,408,209.19
  5. Step 5: Solve for x
    x = 208,362,550,408,209.19/18,760,877.40
  6. Step 6: Final answer
    x = 11,106,226.32

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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.