Finding the Fourth Proportional to 40,772,190.92, 56,265,631.18 and 22,437,476.42
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Solution
The fourth proportional to 40,772,190.92, 56,265,631.18 and 22,437,476.42 is: 30,963,721.70
Step by Step Solution
- Step 1: Write the proportion equation
40,772,190.92 : 56,265,631.18 = 22,437,476.42 : x - Step 2: Convert to fraction form
40,772,190.92/56,265,631.18 = 22,437,476.42/x - Step 3: Cross multiply
40,772,190.92x = 56,265,631.18 × 22,437,476.42 - Step 4: Simplify right side
40,772,190.92x = 1,262,458,772,857,666.75 - Step 5: Solve for x
x = 1,262,458,772,857,666.75/40,772,190.92 - Step 6: Final answer
x = 30,963,721.70
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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.