Home / 11,813,999.60-17,720,999.40-11,310,114.80

Finding the Fourth Proportional to 11,813,999.60, 17,720,999.40 and 11,310,114.80

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Solution

The fourth proportional to 11,813,999.60, 17,720,999.40 and 11,310,114.80 is: 16,965,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813,999.60 : 17,720,999.40 = 11,310,114.80 : x
  2. Step 2: Convert to fraction form
    11,813,999.60/17,720,999.40 = 11,310,114.80/x
  3. Step 3: Cross multiply
    11,813,999.60x = 17,720,999.40 × 11,310,114.80
  4. Step 4: Simplify right side
    11,813,999.60x = 200,426,537,584,731.12
  5. Step 5: Solve for x
    x = 200,426,537,584,731.12/11,813,999.60
  6. Step 6: Final answer
    x = 16,965,172.20

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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.