Finding the Fourth Proportional to 21,777,768.98, 32,671,574.84 and 7,204,654.29
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Solution
The fourth proportional to 21,777,768.98, 32,671,574.84 and 7,204,654.29 is: 10,808,609.55
Step by Step Solution
- Step 1: Write the proportion equation
21,777,768.98 : 32,671,574.84 = 7,204,654.29 : x - Step 2: Convert to fraction form
21,777,768.98/32,671,574.84 = 7,204,654.29/x - Step 3: Cross multiply
21,777,768.98x = 32,671,574.84 × 7,204,654.29 - Step 4: Simplify right side
21,777,768.98x = 235,387,401,832,062.06 - Step 5: Solve for x
x = 235,387,401,832,062.06/21,777,768.98 - Step 6: Final answer
x = 10,808,609.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.