Home / 12,200,172.33-16,836,409.61-6,693,447.13

Finding the Fourth Proportional to 12,200,172.33, 16,836,409.61 and 6,693,447.13

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Solution

The fourth proportional to 12,200,172.33, 16,836,409.61 and 6,693,447.13 is: 9,237,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200,172.33 : 16,836,409.61 = 6,693,447.13 : x
  2. Step 2: Convert to fraction form
    12,200,172.33/16,836,409.61 = 6,693,447.13/x
  3. Step 3: Cross multiply
    12,200,172.33x = 16,836,409.61 × 6,693,447.13
  4. Step 4: Simplify right side
    12,200,172.33x = 112,693,617,533,101.09
  5. Step 5: Solve for x
    x = 112,693,617,533,101.09/12,200,172.33
  6. Step 6: Final answer
    x = 9,237,051.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.