Finding the Fourth Proportional to 10,747,151.08, 14,805,841.86 and 7,478,344.36
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Solution
The fourth proportional to 10,747,151.08, 14,805,841.86 and 7,478,344.36 is: 10,302,561.41
Step by Step Solution
- Step 1: Write the proportion equation
10,747,151.08 : 14,805,841.86 = 7,478,344.36 : x - Step 2: Convert to fraction form
10,747,151.08/14,805,841.86 = 7,478,344.36/x - Step 3: Cross multiply
10,747,151.08x = 14,805,841.86 × 7,478,344.36 - Step 4: Simplify right side
10,747,151.08x = 110,723,183,968,782.91 - Step 5: Solve for x
x = 110,723,183,968,782.91/10,747,151.08 - Step 6: Final answer
x = 10,302,561.41
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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.