Home / 14,395,588.44-19,865,865.78-7,869,220.80

Finding the Fourth Proportional to 14,395,588.44, 19,865,865.78 and 7,869,220.80

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Solution

The fourth proportional to 14,395,588.44, 19,865,865.78 and 7,869,220.80 is: 10,859,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395,588.44 : 19,865,865.78 = 7,869,220.80 : x
  2. Step 2: Convert to fraction form
    14,395,588.44/19,865,865.78 = 7,869,220.80/x
  3. Step 3: Cross multiply
    14,395,588.44x = 19,865,865.78 × 7,869,220.80
  4. Step 4: Simplify right side
    14,395,588.44x = 156,328,884,205,984.22
  5. Step 5: Solve for x
    x = 156,328,884,205,984.22/14,395,588.44
  6. Step 6: Final answer
    x = 10,859,499.41

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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.