Home / 12,282,579-18,439,833.42-9,444,683.88

Finding the Fourth Proportional to 12,282,579, 18,439,833.42 and 9,444,683.88

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Solution

The fourth proportional to 12,282,579, 18,439,833.42 and 9,444,683.88 is: 14,179,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,579 : 18,439,833.42 = 9,444,683.88 : x
  2. Step 2: Convert to fraction form
    12,282,579/18,439,833.42 = 9,444,683.88/x
  3. Step 3: Cross multiply
    12,282,579x = 18,439,833.42 × 9,444,683.88
  4. Step 4: Simplify right side
    12,282,579x = 174,158,397,451,759.31
  5. Step 5: Solve for x
    x = 174,158,397,451,759.31/12,282,579
  6. Step 6: Final answer
    x = 14,179,302.04

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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.