Finding the Fourth Proportional to 12,616,292.15, 18,924,436.29 and 3,031,670.79
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Solution
The fourth proportional to 12,616,292.15, 18,924,436.29 and 3,031,670.79 is: 4,547,505.72
Step by Step Solution
- Step 1: Write the proportion equation
12,616,292.15 : 18,924,436.29 = 3,031,670.79 : x - Step 2: Convert to fraction form
12,616,292.15/18,924,436.29 = 3,031,670.79/x - Step 3: Cross multiply
12,616,292.15x = 18,924,436.29 × 3,031,670.79 - Step 4: Simplify right side
12,616,292.15x = 57,372,660,717,608.97 - Step 5: Solve for x
x = 57,372,660,717,608.97/12,616,292.15 - Step 6: Final answer
x = 4,547,505.72
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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.