Finding the Fourth Proportional to 8,675,518.04, 12,935,715.62 and 8,437,163.64
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Solution
The fourth proportional to 8,675,518.04, 12,935,715.62 and 8,437,163.64 is: 12,580,314.97
Step by Step Solution
- Step 1: Write the proportion equation
8,675,518.04 : 12,935,715.62 = 8,437,163.64 : x - Step 2: Convert to fraction form
8,675,518.04/12,935,715.62 = 8,437,163.64/x - Step 3: Cross multiply
8,675,518.04x = 12,935,715.62 × 8,437,163.64 - Step 4: Simplify right side
8,675,518.04x = 109,140,749,486,444.06 - Step 5: Solve for x
x = 109,140,749,486,444.06/8,675,518.04 - Step 6: Final answer
x = 12,580,314.97
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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.