Finding the Fourth Proportional to 11,566,878.30, 15,961,943.16 and 6,339,772.62
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Solution
The fourth proportional to 11,566,878.30, 15,961,943.16 and 6,339,772.62 is: 8,748,694.99
Step by Step Solution
- Step 1: Write the proportion equation
11,566,878.30 : 15,961,943.16 = 6,339,772.62 : x - Step 2: Convert to fraction form
11,566,878.30/15,961,943.16 = 6,339,772.62/x - Step 3: Cross multiply
11,566,878.30x = 15,961,943.16 × 6,339,772.62 - Step 4: Simplify right side
11,566,878.30x = 101,195,090,207,764.28 - Step 5: Solve for x
x = 101,195,090,207,764.28/11,566,878.30 - Step 6: Final answer
x = 8,748,694.99
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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.