Home / 13,642,214.40-20,463,321.60-11,808,742.95

Finding the Fourth Proportional to 13,642,214.40, 20,463,321.60 and 11,808,742.95

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Solution

The fourth proportional to 13,642,214.40, 20,463,321.60 and 11,808,742.95 is: 17,713,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642,214.40 : 20,463,321.60 = 11,808,742.95 : x
  2. Step 2: Convert to fraction form
    13,642,214.40/20,463,321.60 = 11,808,742.95/x
  3. Step 3: Cross multiply
    13,642,214.40x = 20,463,321.60 × 11,808,742.95
  4. Step 4: Simplify right side
    13,642,214.40x = 241,646,104,677,582.72
  5. Step 5: Solve for x
    x = 241,646,104,677,582.72/13,642,214.40
  6. Step 6: Final answer
    x = 17,713,114.43

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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.