Finding the Fourth Proportional to 16,483,168.80, 22,720,557.36 and 12,992,848.02
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Solution
The fourth proportional to 16,483,168.80, 22,720,557.36 and 12,992,848.02 is: 17,909,465.85
Step by Step Solution
- Step 1: Write the proportion equation
16,483,168.80 : 22,720,557.36 = 12,992,848.02 : x - Step 2: Convert to fraction form
16,483,168.80/22,720,557.36 = 12,992,848.02/x - Step 3: Cross multiply
16,483,168.80x = 22,720,557.36 × 12,992,848.02 - Step 4: Simplify right side
16,483,168.80x = 295,204,748,708,172.44 - Step 5: Solve for x
x = 295,204,748,708,172.44/16,483,168.80 - Step 6: Final answer
x = 17,909,465.85
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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.