Finding the Fourth Proportional to 7,727,931.52, 10,664,582.88 and 4,829,006.08
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Solution
The fourth proportional to 7,727,931.52, 10,664,582.88 and 4,829,006.08 is: 6,664,051.75
Step by Step Solution
- Step 1: Write the proportion equation
7,727,931.52 : 10,664,582.88 = 4,829,006.08 : x - Step 2: Convert to fraction form
7,727,931.52/10,664,582.88 = 4,829,006.08/x - Step 3: Cross multiply
7,727,931.52x = 10,664,582.88 × 4,829,006.08 - Step 4: Simplify right side
7,727,931.52x = 51,499,335,568,183.91 - Step 5: Solve for x
x = 51,499,335,568,183.91/7,727,931.52 - Step 6: Final answer
x = 6,664,051.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.