Finding the Fourth Proportional to 8,299,669, 11,462,991.08 and 5,578,691.08
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Solution
The fourth proportional to 8,299,669, 11,462,991.08 and 5,578,691.08 is: 7,704,944.15
Step by Step Solution
- Step 1: Write the proportion equation
8,299,669 : 11,462,991.08 = 5,578,691.08 : x - Step 2: Convert to fraction form
8,299,669/11,462,991.08 = 5,578,691.08/x - Step 3: Cross multiply
8,299,669x = 11,462,991.08 × 5,578,691.08 - Step 4: Simplify right side
8,299,669x = 63,948,486,088,115.57 - Step 5: Solve for x
x = 63,948,486,088,115.57/8,299,669 - Step 6: Final answer
x = 7,704,944.15
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1.5x scale
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.