Finding the Fourth Proportional to 10,175,157.21, 14,041,805.62 and 5,528,942.23
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Solution
The fourth proportional to 10,175,157.21, 14,041,805.62 and 5,528,942.23 is: 7,629,988.46
Step by Step Solution
- Step 1: Write the proportion equation
10,175,157.21 : 14,041,805.62 = 5,528,942.23 : x - Step 2: Convert to fraction form
10,175,157.21/14,041,805.62 = 5,528,942.23/x - Step 3: Cross multiply
10,175,157.21x = 14,041,805.62 × 5,528,942.23 - Step 4: Simplify right side
10,175,157.21x = 77,636,332,065,637.61 - Step 5: Solve for x
x = 77,636,332,065,637.61/10,175,157.21 - Step 6: Final answer
x = 7,629,988.46
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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.