Home / 21,169,922.40-31,707,644.40-16,362,021.60

Finding the Fourth Proportional to 21,169,922.40, 31,707,644.40 and 16,362,021.60

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Solution

The fourth proportional to 21,169,922.40, 31,707,644.40 and 16,362,021.60 is: 24,506,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,922.40 : 31,707,644.40 = 16,362,021.60 : x
  2. Step 2: Convert to fraction form
    21,169,922.40/31,707,644.40 = 16,362,021.60/x
  3. Step 3: Cross multiply
    21,169,922.40x = 31,707,644.40 × 16,362,021.60
  4. Step 4: Simplify right side
    21,169,922.40x = 518,801,162,557,919
  5. Step 5: Solve for x
    x = 518,801,162,557,919/21,169,922.40
  6. Step 6: Final answer
    x = 24,506,521.69

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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.