Home / 14,190,627.40-21,288,705.90-5,669,513.80

Finding the Fourth Proportional to 14,190,627.40, 21,288,705.90 and 5,669,513.80

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Solution

The fourth proportional to 14,190,627.40, 21,288,705.90 and 5,669,513.80 is: 8,505,375.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,627.40 : 21,288,705.90 = 5,669,513.80 : x
  2. Step 2: Convert to fraction form
    14,190,627.40/21,288,705.90 = 5,669,513.80/x
  3. Step 3: Cross multiply
    14,190,627.40x = 21,288,705.90 × 5,669,513.80
  4. Step 4: Simplify right side
    14,190,627.40x = 120,696,611,884,191.41
  5. Step 5: Solve for x
    x = 120,696,611,884,191.41/14,190,627.40
  6. Step 6: Final answer
    x = 8,505,375.31

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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.