Home / 11,871,509.60-17,808,555.54-3,782,583.92

Finding the Fourth Proportional to 11,871,509.60, 17,808,555.54 and 3,782,583.92

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Solution

The fourth proportional to 11,871,509.60, 17,808,555.54 and 3,782,583.92 is: 5,674,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,509.60 : 17,808,555.54 = 3,782,583.92 : x
  2. Step 2: Convert to fraction form
    11,871,509.60/17,808,555.54 = 3,782,583.92/x
  3. Step 3: Cross multiply
    11,871,509.60x = 17,808,555.54 × 3,782,583.92
  4. Step 4: Simplify right side
    11,871,509.60x = 67,362,355,882,736.99
  5. Step 5: Solve for x
    x = 67,362,355,882,736.99/11,871,509.60
  6. Step 6: Final answer
    x = 5,674,287.28

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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.