Finding the Fourth Proportional to 8,210,723.84, 12,318,110.76 and 2,819,454.56
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Solution
The fourth proportional to 8,210,723.84, 12,318,110.76 and 2,819,454.56 is: 4,229,877.20
Step by Step Solution
- Step 1: Write the proportion equation
8,210,723.84 : 12,318,110.76 = 2,819,454.56 : x - Step 2: Convert to fraction form
8,210,723.84/12,318,110.76 = 2,819,454.56/x - Step 3: Cross multiply
8,210,723.84x = 12,318,110.76 × 2,819,454.56 - Step 4: Simplify right side
8,210,723.84x = 34,730,353,552,867.07 - Step 5: Solve for x
x = 34,730,353,552,867.07/8,210,723.84 - Step 6: Final answer
x = 4,229,877.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.