Home / 8,309,715.40-12,462,240.30-2,631,680.20

Finding the Fourth Proportional to 8,309,715.40, 12,462,240.30 and 2,631,680.20

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Solution

The fourth proportional to 8,309,715.40, 12,462,240.30 and 2,631,680.20 is: 3,946,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,715.40 : 12,462,240.30 = 2,631,680.20 : x
  2. Step 2: Convert to fraction form
    8,309,715.40/12,462,240.30 = 2,631,680.20/x
  3. Step 3: Cross multiply
    8,309,715.40x = 12,462,240.30 × 2,631,680.20
  4. Step 4: Simplify right side
    8,309,715.40x = 32,796,631,045,152.06
  5. Step 5: Solve for x
    x = 32,796,631,045,152.06/8,309,715.40
  6. Step 6: Final answer
    x = 3,946,781.50

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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.