Finding the Fourth Proportional to 24,621,804.28, 33,979,848.06 and 13,608,317.31
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Solution
The fourth proportional to 24,621,804.28, 33,979,848.06 and 13,608,317.31 is: 18,780,449.61
Step by Step Solution
- Step 1: Write the proportion equation
24,621,804.28 : 33,979,848.06 = 13,608,317.31 : x - Step 2: Convert to fraction form
24,621,804.28/33,979,848.06 = 13,608,317.31/x - Step 3: Cross multiply
24,621,804.28x = 33,979,848.06 × 13,608,317.31 - Step 4: Simplify right side
24,621,804.28x = 462,408,554,546,068 - Step 5: Solve for x
x = 462,408,554,546,068/24,621,804.28 - Step 6: Final answer
x = 18,780,449.61
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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.