Finding the Fourth Proportional to 10,268,188.35, 14,169,537.99 and 5,621,074.58
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Solution
The fourth proportional to 10,268,188.35, 14,169,537.99 and 5,621,074.58 is: 7,756,775.30
Step by Step Solution
- Step 1: Write the proportion equation
10,268,188.35 : 14,169,537.99 = 5,621,074.58 : x - Step 2: Convert to fraction form
10,268,188.35/14,169,537.99 = 5,621,074.58/x - Step 3: Cross multiply
10,268,188.35x = 14,169,537.99 × 5,621,074.58 - Step 4: Simplify right side
10,268,188.35x = 79,648,029,735,085.61 - Step 5: Solve for x
x = 79,648,029,735,085.61/10,268,188.35 - Step 6: Final answer
x = 7,756,775.30
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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.