Finding the Fourth Proportional to 10,584,537.07, 14,611,120.13 and 7,151,428.21
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Solution
The fourth proportional to 10,584,537.07, 14,611,120.13 and 7,151,428.21 is: 9,871,983.63
Step by Step Solution
- Step 1: Write the proportion equation
10,584,537.07 : 14,611,120.13 = 7,151,428.21 : x - Step 2: Convert to fraction form
10,584,537.07/14,611,120.13 = 7,151,428.21/x - Step 3: Cross multiply
10,584,537.07x = 14,611,120.13 × 7,151,428.21 - Step 4: Simplify right side
10,584,537.07x = 104,490,376,677,380.88 - Step 5: Solve for x
x = 104,490,376,677,380.88/10,584,537.07 - Step 6: Final answer
x = 9,871,983.63
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1.5x scale
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.