Finding the Fourth Proportional to 15,716,820.12, 23,579,153.73 and 5,481,826.98
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Solution
The fourth proportional to 15,716,820.12, 23,579,153.73 and 5,481,826.98 is: 8,224,108.95
Step by Step Solution
- Step 1: Write the proportion equation
15,716,820.12 : 23,579,153.73 = 5,481,826.98 : x - Step 2: Convert to fraction form
15,716,820.12/23,579,153.73 = 5,481,826.98/x - Step 3: Cross multiply
15,716,820.12x = 23,579,153.73 × 5,481,826.98 - Step 4: Simplify right side
15,716,820.12x = 129,256,841,082,681.64 - Step 5: Solve for x
x = 129,256,841,082,681.64/15,716,820.12 - Step 6: Final answer
x = 8,224,108.95
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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.