Finding the Fourth Proportional to 9,051,128.19, 12,490,556.81 and 4,976,747.19
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Solution
The fourth proportional to 9,051,128.19, 12,490,556.81 and 4,976,747.19 is: 6,867,911.07
Step by Step Solution
- Step 1: Write the proportion equation
9,051,128.19 : 12,490,556.81 = 4,976,747.19 : x - Step 2: Convert to fraction form
9,051,128.19/12,490,556.81 = 4,976,747.19/x - Step 3: Cross multiply
9,051,128.19x = 12,490,556.81 × 4,976,747.19 - Step 4: Simplify right side
9,051,128.19x = 62,162,343,480,819.13 - Step 5: Solve for x
x = 62,162,343,480,819.13/9,051,128.19 - Step 6: Final answer
x = 6,867,911.07
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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.