Home / 7,098,422.14-10,649,424.69-1,980,847.76

Finding the Fourth Proportional to 7,098,422.14, 10,649,424.69 and 1,980,847.76

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Solution

The fourth proportional to 7,098,422.14, 10,649,424.69 and 1,980,847.76 is: 2,971,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,422.14 : 10,649,424.69 = 1,980,847.76 : x
  2. Step 2: Convert to fraction form
    7,098,422.14/10,649,424.69 = 1,980,847.76/x
  3. Step 3: Cross multiply
    7,098,422.14x = 10,649,424.69 × 1,980,847.76
  4. Step 4: Simplify right side
    7,098,422.14x = 21,094,889,042,475.20
  5. Step 5: Solve for x
    x = 21,094,889,042,475.20/7,098,422.14
  6. Step 6: Final answer
    x = 2,971,771.56

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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.