Finding the Fourth Proportional to 9,055,507.41, 12,495,464.67 and 6,121,708.05
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Solution
The fourth proportional to 9,055,507.41, 12,495,464.67 and 6,121,708.05 is: 8,447,189.45
Step by Step Solution
- Step 1: Write the proportion equation
9,055,507.41 : 12,495,464.67 = 6,121,708.05 : x - Step 2: Convert to fraction form
9,055,507.41/12,495,464.67 = 6,121,708.05/x - Step 3: Cross multiply
9,055,507.41x = 12,495,464.67 × 6,121,708.05 - Step 4: Simplify right side
9,055,507.41x = 76,493,586,658,829.59 - Step 5: Solve for x
x = 76,493,586,658,829.59/9,055,507.41 - Step 6: Final answer
x = 8,447,189.45
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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.