Home / 13,447,641.60-18,556,314.44-7,567,173.09

Finding the Fourth Proportional to 13,447,641.60, 18,556,314.44 and 7,567,173.09

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Solution

The fourth proportional to 13,447,641.60, 18,556,314.44 and 7,567,173.09 is: 10,441,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,641.60 : 18,556,314.44 = 7,567,173.09 : x
  2. Step 2: Convert to fraction form
    13,447,641.60/18,556,314.44 = 7,567,173.09/x
  3. Step 3: Cross multiply
    13,447,641.60x = 18,556,314.44 × 7,567,173.09
  4. Step 4: Simplify right side
    13,447,641.60x = 140,418,843,242,110.55
  5. Step 5: Solve for x
    x = 140,418,843,242,110.55/13,447,641.60
  6. Step 6: Final answer
    x = 10,441,893.64

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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.