Home / 19,306,542.72-28,920,623.04-15,029,120.64

Finding the Fourth Proportional to 19,306,542.72, 28,920,623.04 and 15,029,120.64

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Solution

The fourth proportional to 19,306,542.72, 28,920,623.04 and 15,029,120.64 is: 22,513,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,542.72 : 28,920,623.04 = 15,029,120.64 : x
  2. Step 2: Convert to fraction form
    19,306,542.72/28,920,623.04 = 15,029,120.64/x
  3. Step 3: Cross multiply
    19,306,542.72x = 28,920,623.04 × 15,029,120.64
  4. Step 4: Simplify right side
    19,306,542.72x = 434,651,532,652,123.56
  5. Step 5: Solve for x
    x = 434,651,532,652,123.56/19,306,542.72
  6. Step 6: Final answer
    x = 22,513,172.81

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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.