Finding the Fourth Proportional to 33,480,366.54, 46,201,331.25 and 18,596,655.42
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Solution
The fourth proportional to 33,480,366.54, 46,201,331.25 and 18,596,655.42 is: 25,662,509.88
Step by Step Solution
- Step 1: Write the proportion equation
33,480,366.54 : 46,201,331.25 = 18,596,655.42 : x - Step 2: Convert to fraction form
33,480,366.54/46,201,331.25 = 18,596,655.42/x - Step 3: Cross multiply
33,480,366.54x = 46,201,331.25 × 18,596,655.42 - Step 4: Simplify right side
33,480,366.54x = 859,190,237,201,528 - Step 5: Solve for x
x = 859,190,237,201,528/33,480,366.54 - Step 6: Final answer
x = 25,662,509.88
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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.