Finding the Fourth Proportional to 10,959,930.48, 15,124,733.56 and 6,065,490.10
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Solution
The fourth proportional to 10,959,930.48, 15,124,733.56 and 6,065,490.10 is: 8,370,392.66
Step by Step Solution
- Step 1: Write the proportion equation
10,959,930.48 : 15,124,733.56 = 6,065,490.10 : x - Step 2: Convert to fraction form
10,959,930.48/15,124,733.56 = 6,065,490.10/x - Step 3: Cross multiply
10,959,930.48x = 15,124,733.56 × 6,065,490.10 - Step 4: Simplify right side
10,959,930.48x = 91,738,921,673,317.75 - Step 5: Solve for x
x = 91,738,921,673,317.75/10,959,930.48 - Step 6: Final answer
x = 8,370,392.66
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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.