Finding the Fourth Proportional to 11,054,541.72, 15,255,113.23 and 6,159,970.11
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Solution
The fourth proportional to 11,054,541.72, 15,255,113.23 and 6,159,970.11 is: 8,500,672.75
Step by Step Solution
- Step 1: Write the proportion equation
11,054,541.72 : 15,255,113.23 = 6,159,970.11 : x - Step 2: Convert to fraction form
11,054,541.72/15,255,113.23 = 6,159,970.11/x - Step 3: Cross multiply
11,054,541.72x = 15,255,113.23 × 6,159,970.11 - Step 4: Simplify right side
11,054,541.72x = 93,971,041,586,372.19 - Step 5: Solve for x
x = 93,971,041,586,372.19/11,054,541.72 - Step 6: Final answer
x = 8,500,672.75
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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.