Finding the Fourth Proportional to 11,195,508.76, 15,454,569.05 and 7,526,553.31
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Solution
The fourth proportional to 11,195,508.76, 15,454,569.05 and 7,526,553.31 is: 10,389,848.32
Step by Step Solution
- Step 1: Write the proportion equation
11,195,508.76 : 15,454,569.05 = 7,526,553.31 : x - Step 2: Convert to fraction form
11,195,508.76/15,454,569.05 = 7,526,553.31/x - Step 3: Cross multiply
11,195,508.76x = 15,454,569.05 × 7,526,553.31 - Step 4: Simplify right side
11,195,508.76x = 116,319,637,847,811.08 - Step 5: Solve for x
x = 116,319,637,847,811.08/11,195,508.76 - Step 6: Final answer
x = 10,389,848.32
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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.