Home / 38,212,636-52,733,441.01-20,808,976

Finding the Fourth Proportional to 38,212,636, 52,733,441.01 and 20,808,976

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Solution

The fourth proportional to 38,212,636, 52,733,441.01 and 20,808,976 is: 28,716,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212,636 : 52,733,441.01 = 20,808,976 : x
  2. Step 2: Convert to fraction form
    38,212,636/52,733,441.01 = 20,808,976/x
  3. Step 3: Cross multiply
    38,212,636x = 52,733,441.01 × 20,808,976
  4. Step 4: Simplify right side
    38,212,636x = 1,097,328,908,374,505.75
  5. Step 5: Solve for x
    x = 1,097,328,908,374,505.75/38,212,636
  6. Step 6: Final answer
    x = 28,716,388.69

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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.