Home / 13,824,042.40-20,736,063.60-7,093,136.80

Finding the Fourth Proportional to 13,824,042.40, 20,736,063.60 and 7,093,136.80

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Solution

The fourth proportional to 13,824,042.40, 20,736,063.60 and 7,093,136.80 is: 10,639,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,042.40 : 20,736,063.60 = 7,093,136.80 : x
  2. Step 2: Convert to fraction form
    13,824,042.40/20,736,063.60 = 7,093,136.80/x
  3. Step 3: Cross multiply
    13,824,042.40x = 20,736,063.60 × 7,093,136.80
  4. Step 4: Simplify right side
    13,824,042.40x = 147,083,735,808,300.50
  5. Step 5: Solve for x
    x = 147,083,735,808,300.50/13,824,042.40
  6. Step 6: Final answer
    x = 10,639,705.20

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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.