Finding the Fourth Proportional to 9,888,163.93, 13,645,004.68 and 5,477,590.91
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Solution
The fourth proportional to 9,888,163.93, 13,645,004.68 and 5,477,590.91 is: 7,558,708.99
Step by Step Solution
- Step 1: Write the proportion equation
9,888,163.93 : 13,645,004.68 = 5,477,590.91 : x - Step 2: Convert to fraction form
9,888,163.93/13,645,004.68 = 5,477,590.91/x - Step 3: Cross multiply
9,888,163.93x = 13,645,004.68 × 5,477,590.91 - Step 4: Simplify right side
9,888,163.93x = 74,741,753,648,078.38 - Step 5: Solve for x
x = 74,741,753,648,078.38/9,888,163.93 - Step 6: Final answer
x = 7,558,708.99
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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.