Home / 8,239,384.80-12,362,576.40-3,977,359.20

Finding the Fourth Proportional to 8,239,384.80, 12,362,576.40 and 3,977,359.20

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Solution

The fourth proportional to 8,239,384.80, 12,362,576.40 and 3,977,359.20 is: 5,967,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,384.80 : 12,362,576.40 = 3,977,359.20 : x
  2. Step 2: Convert to fraction form
    8,239,384.80/12,362,576.40 = 3,977,359.20/x
  3. Step 3: Cross multiply
    8,239,384.80x = 12,362,576.40 × 3,977,359.20
  4. Step 4: Simplify right side
    8,239,384.80x = 49,170,406,980,242.88
  5. Step 5: Solve for x
    x = 49,170,406,980,242.88/8,239,384.80
  6. Step 6: Final answer
    x = 5,967,727.95

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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.