Finding the Fourth Proportional to 9,966,687.68, 14,937,696.84 and 7,083,459.20
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Solution
The fourth proportional to 9,966,687.68, 14,937,696.84 and 7,083,459.20 is: 10,616,422.38
Step by Step Solution
- Step 1: Write the proportion equation
9,966,687.68 : 14,937,696.84 = 7,083,459.20 : x - Step 2: Convert to fraction form
9,966,687.68/14,937,696.84 = 7,083,459.20/x - Step 3: Cross multiply
9,966,687.68x = 14,937,696.84 × 7,083,459.20 - Step 4: Simplify right side
9,966,687.68x = 105,810,566,108,108.94 - Step 5: Solve for x
x = 105,810,566,108,108.94/9,966,687.68 - Step 6: Final answer
x = 10,616,422.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.