Finding the Fourth Proportional to 11,317,001.44, 15,617,838.76 and 6,356,315.60
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Solution
The fourth proportional to 11,317,001.44, 15,617,838.76 and 6,356,315.60 is: 8,771,927.15
Step by Step Solution
- Step 1: Write the proportion equation
11,317,001.44 : 15,617,838.76 = 6,356,315.60 : x - Step 2: Convert to fraction form
11,317,001.44/15,617,838.76 = 6,356,315.60/x - Step 3: Cross multiply
11,317,001.44x = 15,617,838.76 × 6,356,315.60 - Step 4: Simplify right side
11,317,001.44x = 99,271,912,148,472.66 - Step 5: Solve for x
x = 99,271,912,148,472.66/11,317,001.44 - Step 6: Final answer
x = 8,771,927.15
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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.