Finding the Fourth Proportional to 7,808,088.69, 10,773,631.14 and 4,905,797.99
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Solution
The fourth proportional to 7,808,088.69, 10,773,631.14 and 4,905,797.99 is: 6,769,039.15
Step by Step Solution
- Step 1: Write the proportion equation
7,808,088.69 : 10,773,631.14 = 4,905,797.99 : x - Step 2: Convert to fraction form
7,808,088.69/10,773,631.14 = 4,905,797.99/x - Step 3: Cross multiply
7,808,088.69x = 10,773,631.14 × 4,905,797.99 - Step 4: Simplify right side
7,808,088.69x = 52,853,257,991,613.41 - Step 5: Solve for x
x = 52,853,257,991,613.41/7,808,088.69 - Step 6: Final answer
x = 6,769,039.15
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1.5x scale
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.