Home / 9,205,069.72-12,703,080.50-5,075,249.08

Finding the Fourth Proportional to 9,205,069.72, 12,703,080.50 and 5,075,249.08

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Solution

The fourth proportional to 9,205,069.72, 12,703,080.50 and 5,075,249.08 is: 7,003,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,069.72 : 12,703,080.50 = 5,075,249.08 : x
  2. Step 2: Convert to fraction form
    9,205,069.72/12,703,080.50 = 5,075,249.08/x
  3. Step 3: Cross multiply
    9,205,069.72x = 12,703,080.50 × 5,075,249.08
  4. Step 4: Simplify right side
    9,205,069.72x = 64,471,297,620,790.94
  5. Step 5: Solve for x
    x = 64,471,297,620,790.94/9,205,069.72
  6. Step 6: Final answer
    x = 7,003,890.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.