Finding the Fourth Proportional to 9,637,430.36, 13,297,423.74 and 5,768,481.56
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Solution
The fourth proportional to 9,637,430.36, 13,297,423.74 and 5,768,481.56 is: 7,959,169.69
Step by Step Solution
- Step 1: Write the proportion equation
9,637,430.36 : 13,297,423.74 = 5,768,481.56 : x - Step 2: Convert to fraction form
9,637,430.36/13,297,423.74 = 5,768,481.56/x - Step 3: Cross multiply
9,637,430.36x = 13,297,423.74 × 5,768,481.56 - Step 4: Simplify right side
9,637,430.36x = 76,705,943,639,696.23 - Step 5: Solve for x
x = 76,705,943,639,696.23/9,637,430.36 - Step 6: Final answer
x = 7,959,169.69
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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.