Finding the Fourth Proportional to 11,349,655.11, 15,658,431.30 and 8,736,958.26
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Solution
The fourth proportional to 11,349,655.11, 15,658,431.30 and 8,736,958.26 is: 12,053,851.80
Step by Step Solution
- Step 1: Write the proportion equation
11,349,655.11 : 15,658,431.30 = 8,736,958.26 : x - Step 2: Convert to fraction form
11,349,655.11/15,658,431.30 = 8,736,958.26/x - Step 3: Cross multiply
11,349,655.11x = 15,658,431.30 × 8,736,958.26 - Step 4: Simplify right side
11,349,655.11x = 136,807,060,685,177.55 - Step 5: Solve for x
x = 136,807,060,685,177.55/11,349,655.11 - Step 6: Final answer
x = 12,053,851.80
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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.