Finding the Fourth Proportional to 28,073,135.70, 42,109,703.55 and 6,797,999.70
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Solution
The fourth proportional to 28,073,135.70, 42,109,703.55 and 6,797,999.70 is: 10,196,999.55
Step by Step Solution
- Step 1: Write the proportion equation
28,073,135.70 : 42,109,703.55 = 6,797,999.70 : x - Step 2: Convert to fraction form
28,073,135.70/42,109,703.55 = 6,797,999.70/x - Step 3: Cross multiply
28,073,135.70x = 42,109,703.55 × 6,797,999.70 - Step 4: Simplify right side
28,073,135.70x = 286,261,752,099,988.94 - Step 5: Solve for x
x = 286,261,752,099,988.94/28,073,135.70 - Step 6: Final answer
x = 10,196,999.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.