Home / 38,136,727.63-52,629,282.93-20,733,139.32

Finding the Fourth Proportional to 38,136,727.63, 52,629,282.93 and 20,733,139.32

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Solution

The fourth proportional to 38,136,727.63, 52,629,282.93 and 20,733,139.32 is: 28,612,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136,727.63 : 52,629,282.93 = 20,733,139.32 : x
  2. Step 2: Convert to fraction form
    38,136,727.63/52,629,282.93 = 20,733,139.32/x
  3. Step 3: Cross multiply
    38,136,727.63x = 52,629,282.93 × 20,733,139.32
  4. Step 4: Simplify right side
    38,136,727.63x = 1,091,170,255,299,387.88
  5. Step 5: Solve for x
    x = 1,091,170,255,299,387.88/38,136,727.63
  6. Step 6: Final answer
    x = 28,612,057.80

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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.