Home / 13,671,811.40-20,507,717.10-11,448,912.20

Finding the Fourth Proportional to 13,671,811.40, 20,507,717.10 and 11,448,912.20

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Solution

The fourth proportional to 13,671,811.40, 20,507,717.10 and 11,448,912.20 is: 17,173,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,811.40 : 20,507,717.10 = 11,448,912.20 : x
  2. Step 2: Convert to fraction form
    13,671,811.40/20,507,717.10 = 11,448,912.20/x
  3. Step 3: Cross multiply
    13,671,811.40x = 20,507,717.10 × 11,448,912.20
  4. Step 4: Simplify right side
    13,671,811.40x = 234,791,052,500,338.62
  5. Step 5: Solve for x
    x = 234,791,052,500,338.62/13,671,811.40
  6. Step 6: Final answer
    x = 17,173,368.30

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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.