Finding the Fourth Proportional to 6,118,618.19, 8,443,700.12 and 3,402,305.87
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Solution
The fourth proportional to 6,118,618.19, 8,443,700.12 and 3,402,305.87 is: 4,695,186.00
Step by Step Solution
- Step 1: Write the proportion equation
6,118,618.19 : 8,443,700.12 = 3,402,305.87 : x - Step 2: Convert to fraction form
6,118,618.19/8,443,700.12 = 3,402,305.87/x - Step 3: Cross multiply
6,118,618.19x = 8,443,700.12 × 3,402,305.87 - Step 4: Simplify right side
6,118,618.19x = 28,728,050,465,784.18 - Step 5: Solve for x
x = 28,728,050,465,784.18/6,118,618.19 - Step 6: Final answer
x = 4,695,186.00
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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.