Home / 14,739,522.87-20,340,334.80-8,213,427.39

Finding the Fourth Proportional to 14,739,522.87, 20,340,334.80 and 8,213,427.39

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Solution

The fourth proportional to 14,739,522.87, 20,340,334.80 and 8,213,427.39 is: 11,334,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739,522.87 : 20,340,334.80 = 8,213,427.39 : x
  2. Step 2: Convert to fraction form
    14,739,522.87/20,340,334.80 = 8,213,427.39/x
  3. Step 3: Cross multiply
    14,739,522.87x = 20,340,334.80 × 8,213,427.39
  4. Step 4: Simplify right side
    14,739,522.87x = 167,063,862,968,090.16
  5. Step 5: Solve for x
    x = 167,063,862,968,090.16/14,739,522.87
  6. Step 6: Final answer
    x = 11,334,414.58

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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.