Finding the Fourth Proportional to 8,586,807.12, 12,881,843.64 and 2,905,506
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Solution
The fourth proportional to 8,586,807.12, 12,881,843.64 and 2,905,506 is: 4,358,811.54
Step by Step Solution
- Step 1: Write the proportion equation
8,586,807.12 : 12,881,843.64 = 2,905,506 : x - Step 2: Convert to fraction form
8,586,807.12/12,881,843.64 = 2,905,506/x - Step 3: Cross multiply
8,586,807.12x = 12,881,843.64 × 2,905,506 - Step 4: Simplify right side
8,586,807.12x = 37,428,273,987,081.84 - Step 5: Solve for x
x = 37,428,273,987,081.84/8,586,807.12 - Step 6: Final answer
x = 4,358,811.54
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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.