Home / 28,419,489.60-42,622,804.64-13,052,005.44

Finding the Fourth Proportional to 28,419,489.60, 42,622,804.64 and 13,052,005.44

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Solution

The fourth proportional to 28,419,489.60, 42,622,804.64 and 13,052,005.44 is: 19,575,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,489.60 : 42,622,804.64 = 13,052,005.44 : x
  2. Step 2: Convert to fraction form
    28,419,489.60/42,622,804.64 = 13,052,005.44/x
  3. Step 3: Cross multiply
    28,419,489.60x = 42,622,804.64 × 13,052,005.44
  4. Step 4: Simplify right side
    28,419,489.60x = 556,313,078,029,337.25
  5. Step 5: Solve for x
    x = 556,313,078,029,337.25/28,419,489.60
  6. Step 6: Final answer
    x = 19,575,055.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.