Finding the Fourth Proportional to 18,166,809.84, 27,219,367.68 and 10,963,206.72
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Solution
The fourth proportional to 18,166,809.84, 27,219,367.68 and 10,963,206.72 is: 16,426,194.65
Step by Step Solution
- Step 1: Write the proportion equation
18,166,809.84 : 27,219,367.68 = 10,963,206.72 : x - Step 2: Convert to fraction form
18,166,809.84/27,219,367.68 = 10,963,206.72/x - Step 3: Cross multiply
18,166,809.84x = 27,219,367.68 × 10,963,206.72 - Step 4: Simplify right side
18,166,809.84x = 298,411,554,663,526.81 - Step 5: Solve for x
x = 298,411,554,663,526.81/18,166,809.84 - Step 6: Final answer
x = 16,426,194.65
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1.5x scale
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.