Finding the Fourth Proportional to 19,085,727.62, 28,646,527.35 and 9,994,349.54
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Solution
The fourth proportional to 19,085,727.62, 28,646,527.35 and 9,994,349.54 is: 15,000,916.56
Step by Step Solution
- Step 1: Write the proportion equation
19,085,727.62 : 28,646,527.35 = 9,994,349.54 : x - Step 2: Convert to fraction form
19,085,727.62/28,646,527.35 = 9,994,349.54/x - Step 3: Cross multiply
19,085,727.62x = 28,646,527.35 × 9,994,349.54 - Step 4: Simplify right side
19,085,727.62x = 286,303,407,443,069.94 - Step 5: Solve for x
x = 286,303,407,443,069.94/19,085,727.62 - Step 6: Final answer
x = 15,000,916.56
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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.