Home / 6,470,144.72-9,704,867.16-1,982,433.68

Finding the Fourth Proportional to 6,470,144.72, 9,704,867.16 and 1,982,433.68

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Solution

The fourth proportional to 6,470,144.72, 9,704,867.16 and 1,982,433.68 is: 2,973,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470,144.72 : 9,704,867.16 = 1,982,433.68 : x
  2. Step 2: Convert to fraction form
    6,470,144.72/9,704,867.16 = 1,982,433.68/x
  3. Step 3: Cross multiply
    6,470,144.72x = 9,704,867.16 × 1,982,433.68
  4. Step 4: Simplify right side
    6,470,144.72x = 19,239,255,517,909.95
  5. Step 5: Solve for x
    x = 19,239,255,517,909.95/6,470,144.72
  6. Step 6: Final answer
    x = 2,973,543.31

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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.