Finding the Fourth Proportional to 6,128,483.06, 8,458,226.06 and 4,655,968.48
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Solution
The fourth proportional to 6,128,483.06, 8,458,226.06 and 4,655,968.48 is: 6,425,935.02
Step by Step Solution
- Step 1: Write the proportion equation
6,128,483.06 : 8,458,226.06 = 4,655,968.48 : x - Step 2: Convert to fraction form
6,128,483.06/8,458,226.06 = 4,655,968.48/x - Step 3: Cross multiply
6,128,483.06x = 8,458,226.06 × 4,655,968.48 - Step 4: Simplify right side
6,128,483.06x = 39,381,233,932,074.59 - Step 5: Solve for x
x = 39,381,233,932,074.59/6,128,483.06 - Step 6: Final answer
x = 6,425,935.02
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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.