Home / 12,145,850.40-18,207,111.60-7,023,021.60

Finding the Fourth Proportional to 12,145,850.40, 18,207,111.60 and 7,023,021.60

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Solution

The fourth proportional to 12,145,850.40, 18,207,111.60 and 7,023,021.60 is: 10,527,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,850.40 : 18,207,111.60 = 7,023,021.60 : x
  2. Step 2: Convert to fraction form
    12,145,850.40/18,207,111.60 = 7,023,021.60/x
  3. Step 3: Cross multiply
    12,145,850.40x = 18,207,111.60 × 7,023,021.60
  4. Step 4: Simplify right side
    12,145,850.40x = 127,868,938,040,410.56
  5. Step 5: Solve for x
    x = 127,868,938,040,410.56/12,145,850.40
  6. Step 6: Final answer
    x = 10,527,788.00

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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.