Finding the Fourth Proportional to 19,963,818.05, 27,550,151.94 and 10,796,460.80
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Solution
The fourth proportional to 19,963,818.05, 27,550,151.94 and 10,796,460.80 is: 14,899,160.80
Step by Step Solution
- Step 1: Write the proportion equation
19,963,818.05 : 27,550,151.94 = 10,796,460.80 : x - Step 2: Convert to fraction form
19,963,818.05/27,550,151.94 = 10,796,460.80/x - Step 3: Cross multiply
19,963,818.05x = 27,550,151.94 × 10,796,460.80 - Step 4: Simplify right side
19,963,818.05x = 297,444,135,316,503.19 - Step 5: Solve for x
x = 297,444,135,316,503.19/19,963,818.05 - Step 6: Final answer
x = 14,899,160.80
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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.