Finding the Fourth Proportional to 14,273,566.13, 19,696,993.55 and 7,747,055.48
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Solution
The fourth proportional to 14,273,566.13, 19,696,993.55 and 7,747,055.48 is: 10,690,650.14
Step by Step Solution
- Step 1: Write the proportion equation
14,273,566.13 : 19,696,993.55 = 7,747,055.48 : x - Step 2: Convert to fraction form
14,273,566.13/19,696,993.55 = 7,747,055.48/x - Step 3: Cross multiply
14,273,566.13x = 19,696,993.55 × 7,747,055.48 - Step 4: Simplify right side
14,273,566.13x = 152,593,701,722,567.19 - Step 5: Solve for x
x = 152,593,701,722,567.19/14,273,566.13 - Step 6: Final answer
x = 10,690,650.14
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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.