Home / 7,138,100.54-10,707,566.15-2,020,102.28

Finding the Fourth Proportional to 7,138,100.54, 10,707,566.15 and 2,020,102.28

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Solution

The fourth proportional to 7,138,100.54, 10,707,566.15 and 2,020,102.28 is: 3,030,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,100.54 : 10,707,566.15 = 2,020,102.28 : x
  2. Step 2: Convert to fraction form
    7,138,100.54/10,707,566.15 = 2,020,102.28/x
  3. Step 3: Cross multiply
    7,138,100.54x = 10,707,566.15 × 2,020,102.28
  4. Step 4: Simplify right side
    7,138,100.54x = 21,630,378,782,765.31
  5. Step 5: Solve for x
    x = 21,630,378,782,765.31/7,138,100.54
  6. Step 6: Final answer
    x = 3,030,270.96

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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.