Finding the Fourth Proportional to 7,555,554.96, 10,426,947.12 and 4,292,922.84
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Solution
The fourth proportional to 7,555,554.96, 10,426,947.12 and 4,292,922.84 is: 5,924,393.33
Step by Step Solution
- Step 1: Write the proportion equation
7,555,554.96 : 10,426,947.12 = 4,292,922.84 : x - Step 2: Convert to fraction form
7,555,554.96/10,426,947.12 = 4,292,922.84/x - Step 3: Cross multiply
7,555,554.96x = 10,426,947.12 × 4,292,922.84 - Step 4: Simplify right side
7,555,554.96x = 44,762,079,442,920.22 - Step 5: Solve for x
x = 44,762,079,442,920.22/7,555,554.96 - Step 6: Final answer
x = 5,924,393.33
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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.