Home / 38,136,726.63-52,629,281.55-20,733,138.32

Finding the Fourth Proportional to 38,136,726.63, 52,629,281.55 and 20,733,138.32

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Solution

The fourth proportional to 38,136,726.63, 52,629,281.55 and 20,733,138.32 is: 28,612,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136,726.63 : 52,629,281.55 = 20,733,138.32 : x
  2. Step 2: Convert to fraction form
    38,136,726.63/52,629,281.55 = 20,733,138.32/x
  3. Step 3: Cross multiply
    38,136,726.63x = 52,629,281.55 × 20,733,138.32
  4. Step 4: Simplify right side
    38,136,726.63x = 1,091,170,173,795,227.62
  5. Step 5: Solve for x
    x = 1,091,170,173,795,227.62/38,136,726.63
  6. Step 6: Final answer
    x = 28,612,056.41

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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.