Finding the Fourth Proportional to 7,445,823.68, 10,274,117.49 and 4,182,013.19
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Solution
The fourth proportional to 7,445,823.68, 10,274,117.49 and 4,182,013.19 is: 5,770,549.60
Step by Step Solution
- Step 1: Write the proportion equation
7,445,823.68 : 10,274,117.49 = 4,182,013.19 : x - Step 2: Convert to fraction form
7,445,823.68/10,274,117.49 = 4,182,013.19/x - Step 3: Cross multiply
7,445,823.68x = 10,274,117.49 × 4,182,013.19 - Step 4: Simplify right side
7,445,823.68x = 42,966,494,884,474.98 - Step 5: Solve for x
x = 42,966,494,884,474.98/7,445,823.68 - Step 6: Final answer
x = 5,770,549.60
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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.