Home / 8,129,323.80-12,193,990.96-2,064,510.36

Finding the Fourth Proportional to 8,129,323.80, 12,193,990.96 and 2,064,510.36

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Solution

The fourth proportional to 8,129,323.80, 12,193,990.96 and 2,064,510.36 is: 3,096,766.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,323.80 : 12,193,990.96 = 2,064,510.36 : x
  2. Step 2: Convert to fraction form
    8,129,323.80/12,193,990.96 = 2,064,510.36/x
  3. Step 3: Cross multiply
    8,129,323.80x = 12,193,990.96 × 2,064,510.36
  4. Step 4: Simplify right side
    8,129,323.80x = 25,174,620,666,666.35
  5. Step 5: Solve for x
    x = 25,174,620,666,666.35/8,129,323.80
  6. Step 6: Final answer
    x = 3,096,766.88

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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.