Finding the Fourth Proportional to 19,944,817.10, 29,855,865.10 and 13,013,371.36
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Solution
The fourth proportional to 19,944,817.10, 29,855,865.10 and 13,013,371.36 is: 19,480,021.20
Step by Step Solution
- Step 1: Write the proportion equation
19,944,817.10 : 29,855,865.10 = 13,013,371.36 : x - Step 2: Convert to fraction form
19,944,817.10/29,855,865.10 = 13,013,371.36/x - Step 3: Cross multiply
19,944,817.10x = 29,855,865.10 × 13,013,371.36 - Step 4: Simplify right side
19,944,817.10x = 388,525,459,820,363.56 - Step 5: Solve for x
x = 388,525,459,820,363.56/19,944,817.10 - Step 6: Final answer
x = 19,480,021.20
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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.