Finding the Fourth Proportional to 11,282,947.64, 15,570,031.17 and 6,126,191.18
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Solution
The fourth proportional to 11,282,947.64, 15,570,031.17 and 6,126,191.18 is: 8,453,906.79
Step by Step Solution
- Step 1: Write the proportion equation
11,282,947.64 : 15,570,031.17 = 6,126,191.18 : x - Step 2: Convert to fraction form
11,282,947.64/15,570,031.17 = 6,126,191.18/x - Step 3: Cross multiply
11,282,947.64x = 15,570,031.17 × 6,126,191.18 - Step 4: Simplify right side
11,282,947.64x = 95,384,987,625,979.08 - Step 5: Solve for x
x = 95,384,987,625,979.08/11,282,947.64 - Step 6: Final answer
x = 8,453,906.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.