Home / 21,761,197.60-32,613,802.80-13,232,480.80

Finding the Fourth Proportional to 21,761,197.60, 32,613,802.80 and 13,232,480.80

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Solution

The fourth proportional to 21,761,197.60, 32,613,802.80 and 13,232,480.80 is: 19,831,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,197.60 : 32,613,802.80 = 13,232,480.80 : x
  2. Step 2: Convert to fraction form
    21,761,197.60/32,613,802.80 = 13,232,480.80/x
  3. Step 3: Cross multiply
    21,761,197.60x = 32,613,802.80 × 13,232,480.80
  4. Step 4: Simplify right side
    21,761,197.60x = 431,561,519,365,986.25
  5. Step 5: Solve for x
    x = 431,561,519,365,986.25/21,761,197.60
  6. Step 6: Final answer
    x = 19,831,698.94

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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.