Finding the Fourth Proportional to 30,272,079.36, 45,381,121.72 and 11,098,368.48
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Solution
The fourth proportional to 30,272,079.36, 45,381,121.72 and 11,098,368.48 is: 16,637,654.95
Step by Step Solution
- Step 1: Write the proportion equation
30,272,079.36 : 45,381,121.72 = 11,098,368.48 : x - Step 2: Convert to fraction form
30,272,079.36/45,381,121.72 = 11,098,368.48/x - Step 3: Cross multiply
30,272,079.36x = 45,381,121.72 × 11,098,368.48 - Step 4: Simplify right side
30,272,079.36x = 503,656,410,884,291.38 - Step 5: Solve for x
x = 503,656,410,884,291.38/30,272,079.36 - Step 6: Final answer
x = 16,637,654.95
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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.