Home / 13,632,006.40-20,440,233.60-5,112,620.80

Finding the Fourth Proportional to 13,632,006.40, 20,440,233.60 and 5,112,620.80

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Solution

The fourth proportional to 13,632,006.40, 20,440,233.60 and 5,112,620.80 is: 7,666,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632,006.40 : 20,440,233.60 = 5,112,620.80 : x
  2. Step 2: Convert to fraction form
    13,632,006.40/20,440,233.60 = 5,112,620.80/x
  3. Step 3: Cross multiply
    13,632,006.40x = 20,440,233.60 × 5,112,620.80
  4. Step 4: Simplify right side
    13,632,006.40x = 104,503,163,460,218.89
  5. Step 5: Solve for x
    x = 104,503,163,460,218.89/13,632,006.40
  6. Step 6: Final answer
    x = 7,666,014.85

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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.