Home / 28,574,103.57-39,432,232.29-15,521,372.25

Finding the Fourth Proportional to 28,574,103.57, 39,432,232.29 and 15,521,372.25

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Solution

The fourth proportional to 28,574,103.57, 39,432,232.29 and 15,521,372.25 is: 21,419,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574,103.57 : 39,432,232.29 = 15,521,372.25 : x
  2. Step 2: Convert to fraction form
    28,574,103.57/39,432,232.29 = 15,521,372.25/x
  3. Step 3: Cross multiply
    28,574,103.57x = 39,432,232.29 × 15,521,372.25
  4. Step 4: Simplify right side
    28,574,103.57x = 612,042,356,021,560
  5. Step 5: Solve for x
    x = 612,042,356,021,560/28,574,103.57
  6. Step 6: Final answer
    x = 21,419,477.06

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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.