Finding the Fourth Proportional to 10,344,838.96, 14,274,803.80 and 6,370,478.35
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Solution
The fourth proportional to 10,344,838.96, 14,274,803.80 and 6,370,478.35 is: 8,790,598.76
Step by Step Solution
- Step 1: Write the proportion equation
10,344,838.96 : 14,274,803.80 = 6,370,478.35 : x - Step 2: Convert to fraction form
10,344,838.96/14,274,803.80 = 6,370,478.35/x - Step 3: Cross multiply
10,344,838.96x = 14,274,803.80 × 6,370,478.35 - Step 4: Simplify right side
10,344,838.96x = 90,937,328,558,397.73 - Step 5: Solve for x
x = 90,937,328,558,397.73/10,344,838.96 - Step 6: Final answer
x = 8,790,598.76
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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.