Finding the Fourth Proportional to 10,966,431.49, 15,134,690.97 and 6,071,653.66
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Solution
The fourth proportional to 10,966,431.49, 15,134,690.97 and 6,071,653.66 is: 8,379,444.30
Step by Step Solution
- Step 1: Write the proportion equation
10,966,431.49 : 15,134,690.97 = 6,071,653.66 : x - Step 2: Convert to fraction form
10,966,431.49/15,134,690.97 = 6,071,653.66/x - Step 3: Cross multiply
10,966,431.49x = 15,134,690.97 × 6,071,653.66 - Step 4: Simplify right side
10,966,431.49x = 91,892,601,820,969.45 - Step 5: Solve for x
x = 91,892,601,820,969.45/10,966,431.49 - Step 6: Final answer
x = 8,379,444.30
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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.