Finding the Fourth Proportional to 18,334,967.48, 27,502,456.35 and 6,818,930.18
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Solution
The fourth proportional to 18,334,967.48, 27,502,456.35 and 6,818,930.18 is: 10,228,397.18
Step by Step Solution
- Step 1: Write the proportion equation
18,334,967.48 : 27,502,456.35 = 6,818,930.18 : x - Step 2: Convert to fraction form
18,334,967.48/27,502,456.35 = 6,818,930.18/x - Step 3: Cross multiply
18,334,967.48x = 27,502,456.35 × 6,818,930.18 - Step 4: Simplify right side
18,334,967.48x = 187,537,329,629,147.66 - Step 5: Solve for x
x = 187,537,329,629,147.66/18,334,967.48 - Step 6: Final answer
x = 10,228,397.18
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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.