Home / 8,288,426.13-11,355,184.32-7,977,778.19

Finding the Fourth Proportional to 8,288,426.13, 11,355,184.32 and 7,977,778.19

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Solution

The fourth proportional to 8,288,426.13, 11,355,184.32 and 7,977,778.19 is: 10,929,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,426.13 : 11,355,184.32 = 7,977,778.19 : x
  2. Step 2: Convert to fraction form
    8,288,426.13/11,355,184.32 = 7,977,778.19/x
  3. Step 3: Cross multiply
    8,288,426.13x = 11,355,184.32 × 7,977,778.19
  4. Step 4: Simplify right side
    8,288,426.13x = 90,589,141,811,525.98
  5. Step 5: Solve for x
    x = 90,589,141,811,525.98/8,288,426.13
  6. Step 6: Final answer
    x = 10,929,595.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.