Finding the Fourth Proportional to 8,675,530.47, 12,935,734.07 and 8,437,176.05
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Solution
The fourth proportional to 8,675,530.47, 12,935,734.07 and 8,437,176.05 is: 12,580,333.38
Step by Step Solution
- Step 1: Write the proportion equation
8,675,530.47 : 12,935,734.07 = 8,437,176.05 : x - Step 2: Convert to fraction form
8,675,530.47/12,935,734.07 = 8,437,176.05/x - Step 3: Cross multiply
8,675,530.47x = 12,935,734.07 × 8,437,176.05 - Step 4: Simplify right side
8,675,530.47x = 109,141,065,577,708.47 - Step 5: Solve for x
x = 109,141,065,577,708.47/8,675,530.47 - Step 6: Final answer
x = 12,580,333.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.