Home / 8,202,109.10-12,288,401.40-6,507,402.80

Finding the Fourth Proportional to 8,202,109.10, 12,288,401.40 and 6,507,402.80

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Solution

The fourth proportional to 8,202,109.10, 12,288,401.40 and 6,507,402.80 is: 9,749,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202,109.10 : 12,288,401.40 = 6,507,402.80 : x
  2. Step 2: Convert to fraction form
    8,202,109.10/12,288,401.40 = 6,507,402.80/x
  3. Step 3: Cross multiply
    8,202,109.10x = 12,288,401.40 × 6,507,402.80
  4. Step 4: Simplify right side
    8,202,109.10x = 79,965,577,677,883.92
  5. Step 5: Solve for x
    x = 79,965,577,677,883.92/8,202,109.10
  6. Step 6: Final answer
    x = 9,749,392.10

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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.