Finding the Fourth Proportional to 19,580,189.10, 29,312,222.85 and 14,553,782.70
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Solution
The fourth proportional to 19,580,189.10, 29,312,222.85 and 14,553,782.70 is: 21,787,517.97
Step by Step Solution
- Step 1: Write the proportion equation
19,580,189.10 : 29,312,222.85 = 14,553,782.70 : x - Step 2: Convert to fraction form
19,580,189.10/29,312,222.85 = 14,553,782.70/x - Step 3: Cross multiply
19,580,189.10x = 29,312,222.85 × 14,553,782.70 - Step 4: Simplify right side
19,580,189.10x = 426,603,721,812,874.69 - Step 5: Solve for x
x = 426,603,721,812,874.69/19,580,189.10 - Step 6: Final answer
x = 21,787,517.97
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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.