Finding the Fourth Proportional to 8,891,502.98, 12,270,294.64 and 4,971,398.79
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Solution
The fourth proportional to 8,891,502.98, 12,270,294.64 and 4,971,398.79 is: 6,860,541.82
Step by Step Solution
- Step 1: Write the proportion equation
8,891,502.98 : 12,270,294.64 = 4,971,398.79 : x - Step 2: Convert to fraction form
8,891,502.98/12,270,294.64 = 4,971,398.79/x - Step 3: Cross multiply
8,891,502.98x = 12,270,294.64 × 4,971,398.79 - Step 4: Simplify right side
8,891,502.98x = 61,000,527,978,467.34 - Step 5: Solve for x
x = 61,000,527,978,467.34/8,891,502.98 - Step 6: Final answer
x = 6,860,541.82
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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.