Finding the Fourth Proportional to 11,015,944.17, 15,201,700.80 and 6,121,040.58
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Solution
The fourth proportional to 11,015,944.17, 15,201,700.80 and 6,121,040.58 is: 8,446,868.11
Step by Step Solution
- Step 1: Write the proportion equation
11,015,944.17 : 15,201,700.80 = 6,121,040.58 : x - Step 2: Convert to fraction form
11,015,944.17/15,201,700.80 = 6,121,040.58/x - Step 3: Cross multiply
11,015,944.17x = 15,201,700.80 × 6,121,040.58 - Step 4: Simplify right side
11,015,944.17x = 93,050,227,481,818.47 - Step 5: Solve for x
x = 93,050,227,481,818.47/11,015,944.17 - Step 6: Final answer
x = 8,446,868.11
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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.