Finding the Fourth Proportional to 14,272,815.96, 19,696,505.49 and 7,746,445.53
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Solution
The fourth proportional to 14,272,815.96, 19,696,505.49 and 7,746,445.53 is: 10,690,105.40
Step by Step Solution
- Step 1: Write the proportion equation
14,272,815.96 : 19,696,505.49 = 7,746,445.53 : x - Step 2: Convert to fraction form
14,272,815.96/19,696,505.49 = 7,746,445.53/x - Step 3: Cross multiply
14,272,815.96x = 19,696,505.49 × 7,746,445.53 - Step 4: Simplify right side
14,272,815.96x = 152,577,906,909,630.94 - Step 5: Solve for x
x = 152,577,906,909,630.94/14,272,815.96 - Step 6: Final answer
x = 10,690,105.40
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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.