Finding the Fourth Proportional to 36,130,228.68, 49,860,456.72 and 20,449,252.92
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Solution
The fourth proportional to 36,130,228.68, 49,860,456.72 and 20,449,252.92 is: 28,220,388.51
Step by Step Solution
- Step 1: Write the proportion equation
36,130,228.68 : 49,860,456.72 = 20,449,252.92 : x - Step 2: Convert to fraction form
36,130,228.68/49,860,456.72 = 20,449,252.92/x - Step 3: Cross multiply
36,130,228.68x = 49,860,456.72 × 20,449,252.92 - Step 4: Simplify right side
36,130,228.68x = 1,019,609,090,173,993.62 - Step 5: Solve for x
x = 1,019,609,090,173,993.62/36,130,228.68 - Step 6: Final answer
x = 28,220,388.51
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1.5x scale
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.