Finding the Fourth Proportional to 5,281,923.22, 7,963,618.98 and 5,249,134.62
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Solution
The fourth proportional to 5,281,923.22, 7,963,618.98 and 5,249,134.62 is: 7,914,183.21
Step by Step Solution
- Step 1: Write the proportion equation
5,281,923.22 : 7,963,618.98 = 5,249,134.62 : x - Step 2: Convert to fraction form
5,281,923.22/7,963,618.98 = 5,249,134.62/x - Step 3: Cross multiply
5,281,923.22x = 7,963,618.98 × 5,249,134.62 - Step 4: Simplify right side
5,281,923.22x = 41,802,108,088,407.09 - Step 5: Solve for x
x = 41,802,108,088,407.09/5,281,923.22 - Step 6: Final answer
x = 7,914,183.21
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.