Home / 13,666,639.10-20,507,525.33-8,188,271.25

Finding the Fourth Proportional to 13,666,639.10, 20,507,525.33 and 8,188,271.25

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Solution

The fourth proportional to 13,666,639.10, 20,507,525.33 and 8,188,271.25 is: 12,286,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666,639.10 : 20,507,525.33 = 8,188,271.25 : x
  2. Step 2: Convert to fraction form
    13,666,639.10/20,507,525.33 = 8,188,271.25/x
  3. Step 3: Cross multiply
    13,666,639.10x = 20,507,525.33 × 8,188,271.25
  4. Step 4: Simplify right side
    13,666,639.10x = 167,921,180,027,344.41
  5. Step 5: Solve for x
    x = 167,921,180,027,344.41/13,666,639.10
  6. Step 6: Final answer
    x = 12,286,940.40

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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.