Finding the Fourth Proportional to 14,272,861.03, 19,696,567.58 and 7,746,490.69
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Solution
The fourth proportional to 14,272,861.03, 19,696,567.58 and 7,746,490.69 is: 10,690,167.66
Step by Step Solution
- Step 1: Write the proportion equation
14,272,861.03 : 19,696,567.58 = 7,746,490.69 : x - Step 2: Convert to fraction form
14,272,861.03/19,696,567.58 = 7,746,490.69/x - Step 3: Cross multiply
14,272,861.03x = 19,696,567.58 × 7,746,490.69 - Step 4: Simplify right side
14,272,861.03x = 152,579,277,383,425.81 - Step 5: Solve for x
x = 152,579,277,383,425.81/14,272,861.03 - Step 6: Final answer
x = 10,690,167.66
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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.