Finding the Fourth Proportional to 11,511,199.17, 15,885,743.49 and 6,549,367.05
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Solution
The fourth proportional to 11,511,199.17, 15,885,743.49 and 6,549,367.05 is: 9,038,290.75
Step by Step Solution
- Step 1: Write the proportion equation
11,511,199.17 : 15,885,743.49 = 6,549,367.05 : x - Step 2: Convert to fraction form
11,511,199.17/15,885,743.49 = 6,549,367.05/x - Step 3: Cross multiply
11,511,199.17x = 15,885,743.49 × 6,549,367.05 - Step 4: Simplify right side
11,511,199.17x = 104,041,564,978,158 - Step 5: Solve for x
x = 104,041,564,978,158/11,511,199.17 - Step 6: Final answer
x = 9,038,290.75
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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.