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Finding the Fourth Proportional to 9,998,929.04, 14,999,171.20 and 3,268,023.44

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Solution

The fourth proportional to 9,998,929.04, 14,999,171.20 and 3,268,023.44 is: 4,902,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998,929.04 : 14,999,171.20 = 3,268,023.44 : x
  2. Step 2: Convert to fraction form
    9,998,929.04/14,999,171.20 = 3,268,023.44/x
  3. Step 3: Cross multiply
    9,998,929.04x = 14,999,171.20 × 3,268,023.44
  4. Step 4: Simplify right side
    9,998,929.04x = 49,017,642,979,007.02
  5. Step 5: Solve for x
    x = 49,017,642,979,007.02/9,998,929.04
  6. Step 6: Final answer
    x = 4,902,289.32

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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.