Finding the Fourth Proportional to 35,221,341.52, 48,599,969.90 and 20,133,374.58
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Solution
The fourth proportional to 35,221,341.52, 48,599,969.90 and 20,133,374.58 is: 27,780,923.62
Step by Step Solution
- Step 1: Write the proportion equation
35,221,341.52 : 48,599,969.90 = 20,133,374.58 : x - Step 2: Convert to fraction form
35,221,341.52/48,599,969.90 = 20,133,374.58/x - Step 3: Cross multiply
35,221,341.52x = 48,599,969.90 × 20,133,374.58 - Step 4: Simplify right side
35,221,341.52x = 978,481,398,573,425 - Step 5: Solve for x
x = 978,481,398,573,425/35,221,341.52 - Step 6: Final answer
x = 27,780,923.62
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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.