Finding the Fourth Proportional to 11,293,213.07, 15,583,369.10 and 6,397,386.66
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Solution
The fourth proportional to 11,293,213.07, 15,583,369.10 and 6,397,386.66 is: 8,827,677.02
Step by Step Solution
- Step 1: Write the proportion equation
11,293,213.07 : 15,583,369.10 = 6,397,386.66 : x - Step 2: Convert to fraction form
11,293,213.07/15,583,369.10 = 6,397,386.66/x - Step 3: Cross multiply
11,293,213.07x = 15,583,369.10 × 6,397,386.66 - Step 4: Simplify right side
11,293,213.07x = 99,692,837,566,209.28 - Step 5: Solve for x
x = 99,692,837,566,209.28/11,293,213.07 - Step 6: Final answer
x = 8,827,677.02
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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.