Home / 7,898,287.56-11,847,431.28-1,914,655.56

Finding the Fourth Proportional to 7,898,287.56, 11,847,431.28 and 1,914,655.56

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Solution

The fourth proportional to 7,898,287.56, 11,847,431.28 and 1,914,655.56 is: 2,871,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,287.56 : 11,847,431.28 = 1,914,655.56 : x
  2. Step 2: Convert to fraction form
    7,898,287.56/11,847,431.28 = 1,914,655.56/x
  3. Step 3: Cross multiply
    7,898,287.56x = 11,847,431.28 × 1,914,655.56
  4. Step 4: Simplify right side
    7,898,287.56x = 22,683,750,171,969.92
  5. Step 5: Solve for x
    x = 22,683,750,171,969.92/7,898,287.56
  6. Step 6: Final answer
    x = 2,871,983.33

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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.