Home / 19,315,234.60-28,972,851.90-9,726,908.20

Finding the Fourth Proportional to 19,315,234.60, 28,972,851.90 and 9,726,908.20

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Solution

The fourth proportional to 19,315,234.60, 28,972,851.90 and 9,726,908.20 is: 14,590,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,234.60 : 28,972,851.90 = 9,726,908.20 : x
  2. Step 2: Convert to fraction form
    19,315,234.60/28,972,851.90 = 9,726,908.20/x
  3. Step 3: Cross multiply
    19,315,234.60x = 28,972,851.90 × 9,726,908.20
  4. Step 4: Simplify right side
    19,315,234.60x = 281,816,270,723,495.56
  5. Step 5: Solve for x
    x = 281,816,270,723,495.56/19,315,234.60
  6. Step 6: Final answer
    x = 14,590,362.30

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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.