Finding the Fourth Proportional to 14,273,340.93, 19,696,683.42 and 7,746,830.22
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Solution
The fourth proportional to 14,273,340.93, 19,696,683.42 and 7,746,830.22 is: 10,690,339.64
Step by Step Solution
- Step 1: Write the proportion equation
14,273,340.93 : 19,696,683.42 = 7,746,830.22 : x - Step 2: Convert to fraction form
14,273,340.93/19,696,683.42 = 7,746,830.22/x - Step 3: Cross multiply
14,273,340.93x = 19,696,683.42 × 7,746,830.22 - Step 4: Simplify right side
14,273,340.93x = 152,586,862,351,828.97 - Step 5: Solve for x
x = 152,586,862,351,828.97/14,273,340.93 - Step 6: Final answer
x = 10,690,339.64
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1.5x scale
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.