Home / 12,216,380.65-18,318,302.79-6,462,220.03

Finding the Fourth Proportional to 12,216,380.65, 18,318,302.79 and 6,462,220.03

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Solution

The fourth proportional to 12,216,380.65, 18,318,302.79 and 6,462,220.03 is: 9,690,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,380.65 : 18,318,302.79 = 6,462,220.03 : x
  2. Step 2: Convert to fraction form
    12,216,380.65/18,318,302.79 = 6,462,220.03/x
  3. Step 3: Cross multiply
    12,216,380.65x = 18,318,302.79 × 6,462,220.03
  4. Step 4: Simplify right side
    12,216,380.65x = 118,376,903,205,142.88
  5. Step 5: Solve for x
    x = 118,376,903,205,142.88/12,216,380.65
  6. Step 6: Final answer
    x = 9,690,014.30

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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.