Home / 8,309,754.40-12,462,298.80-2,631,719.20

Finding the Fourth Proportional to 8,309,754.40, 12,462,298.80 and 2,631,719.20

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Solution

The fourth proportional to 8,309,754.40, 12,462,298.80 and 2,631,719.20 is: 3,946,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,754.40 : 12,462,298.80 = 2,631,719.20 : x
  2. Step 2: Convert to fraction form
    8,309,754.40/12,462,298.80 = 2,631,719.20/x
  3. Step 3: Cross multiply
    8,309,754.40x = 12,462,298.80 × 2,631,719.20
  4. Step 4: Simplify right side
    8,309,754.40x = 32,797,271,028,096.96
  5. Step 5: Solve for x
    x = 32,797,271,028,096.96/8,309,754.40
  6. Step 6: Final answer
    x = 3,946,840.00

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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.