Finding the Fourth Proportional to 7,135,602.04, 9,847,137.54 and 3,872,417.32
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Solution
The fourth proportional to 7,135,602.04, 9,847,137.54 and 3,872,417.32 is: 5,343,939.55
Step by Step Solution
- Step 1: Write the proportion equation
7,135,602.04 : 9,847,137.54 = 3,872,417.32 : x - Step 2: Convert to fraction form
7,135,602.04/9,847,137.54 = 3,872,417.32/x - Step 3: Cross multiply
7,135,602.04x = 9,847,137.54 × 3,872,417.32 - Step 4: Simplify right side
7,135,602.04x = 38,132,225,962,318.19 - Step 5: Solve for x
x = 38,132,225,962,318.19/7,135,602.04 - Step 6: Final answer
x = 5,343,939.55
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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.