Home / 23,133,942.58-31,926,683.73-12,821,653.30

Finding the Fourth Proportional to 23,133,942.58, 31,926,683.73 and 12,821,653.30

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Solution

The fourth proportional to 23,133,942.58, 31,926,683.73 and 12,821,653.30 is: 17,694,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,942.58 : 31,926,683.73 = 12,821,653.30 : x
  2. Step 2: Convert to fraction form
    23,133,942.58/31,926,683.73 = 12,821,653.30/x
  3. Step 3: Cross multiply
    23,133,942.58x = 31,926,683.73 × 12,821,653.30
  4. Step 4: Simplify right side
    23,133,942.58x = 409,352,869,804,810.81
  5. Step 5: Solve for x
    x = 409,352,869,804,810.81/23,133,942.58
  6. Step 6: Final answer
    x = 17,694,902.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.