Home / 20,582,199.63-28,408,597.02-13,977,962.64

Finding the Fourth Proportional to 20,582,199.63, 28,408,597.02 and 13,977,962.64

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Solution

The fourth proportional to 20,582,199.63, 28,408,597.02 and 13,977,962.64 is: 19,293,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582,199.63 : 28,408,597.02 = 13,977,962.64 : x
  2. Step 2: Convert to fraction form
    20,582,199.63/28,408,597.02 = 13,977,962.64/x
  3. Step 3: Cross multiply
    20,582,199.63x = 28,408,597.02 × 13,977,962.64
  4. Step 4: Simplify right side
    20,582,199.63x = 397,094,307,800,375.31
  5. Step 5: Solve for x
    x = 397,094,307,800,375.31/20,582,199.63
  6. Step 6: Final answer
    x = 19,293,093.79

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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.