Home / 19,008,005.70-28,512,008.55-15,424,824.90

Finding the Fourth Proportional to 19,008,005.70, 28,512,008.55 and 15,424,824.90

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Solution

The fourth proportional to 19,008,005.70, 28,512,008.55 and 15,424,824.90 is: 23,137,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,005.70 : 28,512,008.55 = 15,424,824.90 : x
  2. Step 2: Convert to fraction form
    19,008,005.70/28,512,008.55 = 15,424,824.90/x
  3. Step 3: Cross multiply
    19,008,005.70x = 28,512,008.55 × 15,424,824.90
  4. Step 4: Simplify right side
    19,008,005.70x = 439,792,739,431,052.94
  5. Step 5: Solve for x
    x = 439,792,739,431,052.94/19,008,005.70
  6. Step 6: Final answer
    x = 23,137,237.35

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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.