Finding the Fourth Proportional to 11,293,214.96, 15,583,371.68 and 6,397,388.54
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Solution
The fourth proportional to 11,293,214.96, 15,583,371.68 and 6,397,388.54 is: 8,827,679.60
Step by Step Solution
- Step 1: Write the proportion equation
11,293,214.96 : 15,583,371.68 = 6,397,388.54 : x - Step 2: Convert to fraction form
11,293,214.96/15,583,371.68 = 6,397,388.54/x - Step 3: Cross multiply
11,293,214.96x = 15,583,371.68 × 6,397,388.54 - Step 4: Simplify right side
11,293,214.96x = 99,692,883,290,288.75 - Step 5: Solve for x
x = 99,692,883,290,288.75/11,293,214.96 - Step 6: Final answer
x = 8,827,679.60
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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.