Home / 21,761,206.60-32,613,816.30-13,232,489.80

Finding the Fourth Proportional to 21,761,206.60, 32,613,816.30 and 13,232,489.80

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Solution

The fourth proportional to 21,761,206.60, 32,613,816.30 and 13,232,489.80 is: 19,831,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,206.60 : 32,613,816.30 = 13,232,489.80 : x
  2. Step 2: Convert to fraction form
    21,761,206.60/32,613,816.30 = 13,232,489.80/x
  3. Step 3: Cross multiply
    21,761,206.60x = 32,613,816.30 × 13,232,489.80
  4. Step 4: Simplify right side
    21,761,206.60x = 431,561,991,528,823.75
  5. Step 5: Solve for x
    x = 431,561,991,528,823.75/21,761,206.60
  6. Step 6: Final answer
    x = 19,831,712.43

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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.