Finding the Fourth Proportional to 18,443,326.40, 27,681,720.15 and 9,351,748.70
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Solution
The fourth proportional to 18,443,326.40, 27,681,720.15 and 9,351,748.70 is: 14,036,106.33
Step by Step Solution
- Step 1: Write the proportion equation
18,443,326.40 : 27,681,720.15 = 9,351,748.70 : x - Step 2: Convert to fraction form
18,443,326.40/27,681,720.15 = 9,351,748.70/x - Step 3: Cross multiply
18,443,326.40x = 27,681,720.15 × 9,351,748.70 - Step 4: Simplify right side
18,443,326.40x = 258,872,490,426,526.28 - Step 5: Solve for x
x = 258,872,490,426,526.28/18,443,326.40 - Step 6: Final answer
x = 14,036,106.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.