Finding the Fourth Proportional to 8,210,999.76, 12,313,436.40 and 2,818,119.84
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Solution
The fourth proportional to 8,210,999.76, 12,313,436.40 and 2,818,119.84 is: 4,226,128.42
Step by Step Solution
- Step 1: Write the proportion equation
8,210,999.76 : 12,313,436.40 = 2,818,119.84 : x - Step 2: Convert to fraction form
8,210,999.76/12,313,436.40 = 2,818,119.84/x - Step 3: Cross multiply
8,210,999.76x = 12,313,436.40 × 2,818,119.84 - Step 4: Simplify right side
8,210,999.76x = 34,700,739,417,418.18 - Step 5: Solve for x
x = 34,700,739,417,418.18/8,210,999.76 - Step 6: Final answer
x = 4,226,128.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.