Home / 8,628,615.56-12,942,941.76-3,507,431.06

Finding the Fourth Proportional to 8,628,615.56, 12,942,941.76 and 3,507,431.06

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Solution

The fourth proportional to 8,628,615.56, 12,942,941.76 and 3,507,431.06 is: 5,261,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,615.56 : 12,942,941.76 = 3,507,431.06 : x
  2. Step 2: Convert to fraction form
    8,628,615.56/12,942,941.76 = 3,507,431.06/x
  3. Step 3: Cross multiply
    8,628,615.56x = 12,942,941.76 × 3,507,431.06
  4. Step 4: Simplify right side
    8,628,615.56x = 45,396,475,936,795.06
  5. Step 5: Solve for x
    x = 45,396,475,936,795.06/8,628,615.56
  6. Step 6: Final answer
    x = 5,261,154.08

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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.