Finding the Fourth Proportional to 19,663,976.80, 27,135,693.79 and 10,843,423.35
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Solution
The fourth proportional to 19,663,976.80, 27,135,693.79 and 10,843,423.35 is: 14,963,596.56
Step by Step Solution
- Step 1: Write the proportion equation
19,663,976.80 : 27,135,693.79 = 10,843,423.35 : x - Step 2: Convert to fraction form
19,663,976.80/27,135,693.79 = 10,843,423.35/x - Step 3: Cross multiply
19,663,976.80x = 27,135,693.79 × 10,843,423.35 - Step 4: Simplify right side
19,663,976.80x = 294,243,815,660,936 - Step 5: Solve for x
x = 294,243,815,660,936/19,663,976.80 - Step 6: Final answer
x = 14,963,596.56
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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.