Finding the Fourth Proportional to 8,205,887.96, 12,297,829.51 and 6,386,449.96
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Solution
The fourth proportional to 8,205,887.96, 12,297,829.51 and 6,386,449.96 is: 9,571,112.01
Step by Step Solution
- Step 1: Write the proportion equation
8,205,887.96 : 12,297,829.51 = 6,386,449.96 : x - Step 2: Convert to fraction form
8,205,887.96/12,297,829.51 = 6,386,449.96/x - Step 3: Cross multiply
8,205,887.96x = 12,297,829.51 × 6,386,449.96 - Step 4: Simplify right side
8,205,887.96x = 78,539,472,769,657.89 - Step 5: Solve for x
x = 78,539,472,769,657.89/8,205,887.96 - Step 6: Final answer
x = 9,571,112.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.