Finding the Fourth Proportional to 7,767,080.84, 10,723,169.38 and 6,905,260.68
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Solution
The fourth proportional to 7,767,080.84, 10,723,169.38 and 6,905,260.68 is: 9,533,347.39
Step by Step Solution
- Step 1: Write the proportion equation
7,767,080.84 : 10,723,169.38 = 6,905,260.68 : x - Step 2: Convert to fraction form
7,767,080.84/10,723,169.38 = 6,905,260.68/x - Step 3: Cross multiply
7,767,080.84x = 10,723,169.38 × 6,905,260.68 - Step 4: Simplify right side
7,767,080.84x = 74,046,279,884,693.98 - Step 5: Solve for x
x = 74,046,279,884,693.98/7,767,080.84 - Step 6: Final answer
x = 9,533,347.39
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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.