Home / 18,585,406.85-27,871,822.52-7,068,137.81

Finding the Fourth Proportional to 18,585,406.85, 27,871,822.52 and 7,068,137.81

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Solution

The fourth proportional to 18,585,406.85, 27,871,822.52 and 7,068,137.81 is: 10,599,815.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,406.85 : 27,871,822.52 = 7,068,137.81 : x
  2. Step 2: Convert to fraction form
    18,585,406.85/27,871,822.52 = 7,068,137.81/x
  3. Step 3: Cross multiply
    18,585,406.85x = 27,871,822.52 × 7,068,137.81
  4. Step 4: Simplify right side
    18,585,406.85x = 197,001,882,551,880.78
  5. Step 5: Solve for x
    x = 197,001,882,551,880.78/18,585,406.85
  6. Step 6: Final answer
    x = 10,599,815.44

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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.