Home / 8,000,205.31-12,000,313.80-1,934,942.88

Finding the Fourth Proportional to 8,000,205.31, 12,000,313.80 and 1,934,942.88

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Solution

The fourth proportional to 8,000,205.31, 12,000,313.80 and 1,934,942.88 is: 2,902,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000,205.31 : 12,000,313.80 = 1,934,942.88 : x
  2. Step 2: Convert to fraction form
    8,000,205.31/12,000,313.80 = 1,934,942.88/x
  3. Step 3: Cross multiply
    8,000,205.31x = 12,000,313.80 × 1,934,942.88
  4. Step 4: Simplify right side
    8,000,205.31x = 23,219,921,745,075.74
  5. Step 5: Solve for x
    x = 23,219,921,745,075.74/8,000,205.31
  6. Step 6: Final answer
    x = 2,902,415.73

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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.