Finding the Fourth Proportional to 13,006,715.84, 17,949,268.68 and 7,126,375.04
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Solution
The fourth proportional to 13,006,715.84, 17,949,268.68 and 7,126,375.04 is: 9,834,398.00
Step by Step Solution
- Step 1: Write the proportion equation
13,006,715.84 : 17,949,268.68 = 7,126,375.04 : x - Step 2: Convert to fraction form
13,006,715.84/17,949,268.68 = 7,126,375.04/x - Step 3: Cross multiply
13,006,715.84x = 17,949,268.68 × 7,126,375.04 - Step 4: Simplify right side
13,006,715.84x = 127,913,220,307,405.75 - Step 5: Solve for x
x = 127,913,220,307,405.75/13,006,715.84 - Step 6: Final answer
x = 9,834,398.00
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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.