Finding the Fourth Proportional to 10,294,117.32, 14,207,585.04 and 5,711,914.92
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Solution
The fourth proportional to 10,294,117.32, 14,207,585.04 and 5,711,914.92 is: 7,883,387.61
Step by Step Solution
- Step 1: Write the proportion equation
10,294,117.32 : 14,207,585.04 = 5,711,914.92 : x - Step 2: Convert to fraction form
10,294,117.32/14,207,585.04 = 5,711,914.92/x - Step 3: Cross multiply
10,294,117.32x = 14,207,585.04 × 5,711,914.92 - Step 4: Simplify right side
10,294,117.32x = 81,152,516,967,144.80 - Step 5: Solve for x
x = 81,152,516,967,144.80/10,294,117.32 - Step 6: Final answer
x = 7,883,387.61
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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.