Finding the Fourth Proportional to 33,174,657.80, 45,781,240.28 and 18,491,255.13
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Solution
The fourth proportional to 33,174,657.80, 45,781,240.28 and 18,491,255.13 is: 25,518,050.53
Step by Step Solution
- Step 1: Write the proportion equation
33,174,657.80 : 45,781,240.28 = 18,491,255.13 : x - Step 2: Convert to fraction form
33,174,657.80/45,781,240.28 = 18,491,255.13/x - Step 3: Cross multiply
33,174,657.80x = 45,781,240.28 × 18,491,255.13 - Step 4: Simplify right side
33,174,657.80x = 846,552,594,185,312.62 - Step 5: Solve for x
x = 846,552,594,185,312.62/33,174,657.80 - Step 6: Final answer
x = 25,518,050.53
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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.