Finding the Fourth Proportional to 10,896,657.56, 15,037,386.72 and 6,315,636.14
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Solution
The fourth proportional to 10,896,657.56, 15,037,386.72 and 6,315,636.14 is: 8,715,577.46
Step by Step Solution
- Step 1: Write the proportion equation
10,896,657.56 : 15,037,386.72 = 6,315,636.14 : x - Step 2: Convert to fraction form
10,896,657.56/15,037,386.72 = 6,315,636.14/x - Step 3: Cross multiply
10,896,657.56x = 15,037,386.72 × 6,315,636.14 - Step 4: Simplify right side
10,896,657.56x = 94,970,663,019,988.06 - Step 5: Solve for x
x = 94,970,663,019,988.06/10,896,657.56 - Step 6: Final answer
x = 8,715,577.46
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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.