Finding the Fourth Proportional to 7,924,894.88, 11,879,045.44 and 3,316,521.44
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Solution
The fourth proportional to 7,924,894.88, 11,879,045.44 and 3,316,521.44 is: 4,971,309.96
Step by Step Solution
- Step 1: Write the proportion equation
7,924,894.88 : 11,879,045.44 = 3,316,521.44 : x - Step 2: Convert to fraction form
7,924,894.88/11,879,045.44 = 3,316,521.44/x - Step 3: Cross multiply
7,924,894.88x = 11,879,045.44 × 3,316,521.44 - Step 4: Simplify right side
7,924,894.88x = 39,397,108,888,494.23 - Step 5: Solve for x
x = 39,397,108,888,494.23/7,924,894.88 - Step 6: Final answer
x = 4,971,309.96
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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.