Home / 38,180,244-52,688,745.39-21,010,836

Finding the Fourth Proportional to 38,180,244, 52,688,745.39 and 21,010,836

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Solution

The fourth proportional to 38,180,244, 52,688,745.39 and 21,010,836 is: 28,994,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,244 : 52,688,745.39 = 21,010,836 : x
  2. Step 2: Convert to fraction form
    38,180,244/52,688,745.39 = 21,010,836/x
  3. Step 3: Cross multiply
    38,180,244x = 52,688,745.39 × 21,010,836
  4. Step 4: Simplify right side
    38,180,244x = 1,107,034,588,435,046
  5. Step 5: Solve for x
    x = 1,107,034,588,435,046/38,180,244
  6. Step 6: Final answer
    x = 28,994,958.45

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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.