Finding the Fourth Proportional to 8,241,189.12, 12,365,335.68 and 4,457,335.68
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Solution
The fourth proportional to 8,241,189.12, 12,365,335.68 and 4,457,335.68 is: 6,687,924.66
Step by Step Solution
- Step 1: Write the proportion equation
8,241,189.12 : 12,365,335.68 = 4,457,335.68 : x - Step 2: Convert to fraction form
8,241,189.12/12,365,335.68 = 4,457,335.68/x - Step 3: Cross multiply
8,241,189.12x = 12,365,335.68 × 4,457,335.68 - Step 4: Simplify right side
8,241,189.12x = 55,116,451,921,641.05 - Step 5: Solve for x
x = 55,116,451,921,641.05/8,241,189.12 - Step 6: Final answer
x = 6,687,924.66
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1.5x scale
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.