Home / 8,197,669.80-12,296,504.70-5,207,999.40

Finding the Fourth Proportional to 8,197,669.80, 12,296,504.70 and 5,207,999.40

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Solution

The fourth proportional to 8,197,669.80, 12,296,504.70 and 5,207,999.40 is: 7,811,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,669.80 : 12,296,504.70 = 5,207,999.40 : x
  2. Step 2: Convert to fraction form
    8,197,669.80/12,296,504.70 = 5,207,999.40/x
  3. Step 3: Cross multiply
    8,197,669.80x = 12,296,504.70 × 5,207,999.40
  4. Step 4: Simplify right side
    8,197,669.80x = 64,040,189,099,697.18
  5. Step 5: Solve for x
    x = 64,040,189,099,697.18/8,197,669.80
  6. Step 6: Final answer
    x = 7,811,999.10

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1.5x scale

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.