Finding the Fourth Proportional to 15,998,416, 22,077,656.68 and 8,656,087.98
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Solution
The fourth proportional to 15,998,416, 22,077,656.68 and 8,656,087.98 is: 11,945,316.25
Step by Step Solution
- Step 1: Write the proportion equation
15,998,416 : 22,077,656.68 = 8,656,087.98 : x - Step 2: Convert to fraction form
15,998,416/22,077,656.68 = 8,656,087.98/x - Step 3: Cross multiply
15,998,416x = 22,077,656.68 × 8,656,087.98 - Step 4: Simplify right side
15,998,416x = 191,106,138,614,314.72 - Step 5: Solve for x
x = 191,106,138,614,314.72/15,998,416 - Step 6: Final answer
x = 11,945,316.25
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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.