Finding the Fourth Proportional to 10,629,581.63, 14,668,825.68 and 6,220,154.79
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Solution
The fourth proportional to 10,629,581.63, 14,668,825.68 and 6,220,154.79 is: 8,583,815.39
Step by Step Solution
- Step 1: Write the proportion equation
10,629,581.63 : 14,668,825.68 = 6,220,154.79 : x - Step 2: Convert to fraction form
10,629,581.63/14,668,825.68 = 6,220,154.79/x - Step 3: Cross multiply
10,629,581.63x = 14,668,825.68 × 6,220,154.79 - Step 4: Simplify right side
10,629,581.63x = 91,242,366,317,127 - Step 5: Solve for x
x = 91,242,366,317,127/10,629,581.63 - Step 6: Final answer
x = 8,583,815.39
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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.