Finding the Fourth Proportional to 7,887,709, 11,832,870.84 and 2,768,810.71
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Solution
The fourth proportional to 7,887,709, 11,832,870.84 and 2,768,810.71 is: 4,153,674.98
Step by Step Solution
- Step 1: Write the proportion equation
7,887,709 : 11,832,870.84 = 2,768,810.71 : x - Step 2: Convert to fraction form
7,887,709/11,832,870.84 = 2,768,810.71/x - Step 3: Cross multiply
7,887,709x = 11,832,870.84 × 2,768,810.71 - Step 4: Simplify right side
7,887,709x = 32,762,979,511,838.70 - Step 5: Solve for x
x = 32,762,979,511,838.70/7,887,709 - Step 6: Final answer
x = 4,153,674.98
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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.