Finding the Fourth Proportional to 19,425,950.20, 29,124,560.12 and 11,747,888.07
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Solution
The fourth proportional to 19,425,950.20, 29,124,560.12 and 11,747,888.07 is: 17,613,144.73
Step by Step Solution
- Step 1: Write the proportion equation
19,425,950.20 : 29,124,560.12 = 11,747,888.07 : x - Step 2: Convert to fraction form
19,425,950.20/29,124,560.12 = 11,747,888.07/x - Step 3: Cross multiply
19,425,950.20x = 29,124,560.12 × 11,747,888.07 - Step 4: Simplify right side
19,425,950.20x = 342,152,072,407,115.50 - Step 5: Solve for x
x = 342,152,072,407,115.50/19,425,950.20 - Step 6: Final answer
x = 17,613,144.73
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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.