Finding the Fourth Proportional to 39,483,648.84, 54,486,411.96 and 21,843,202.92
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Solution
The fourth proportional to 39,483,648.84, 54,486,411.96 and 21,843,202.92 is: 30,143,053.84
Step by Step Solution
- Step 1: Write the proportion equation
39,483,648.84 : 54,486,411.96 = 21,843,202.92 : x - Step 2: Convert to fraction form
39,483,648.84/54,486,411.96 = 21,843,202.92/x - Step 3: Cross multiply
39,483,648.84x = 54,486,411.96 × 21,843,202.92 - Step 4: Simplify right side
39,483,648.84x = 1,190,157,752,824,995 - Step 5: Solve for x
x = 1,190,157,752,824,995/39,483,648.84 - Step 6: Final answer
x = 30,143,053.84
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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.