Finding the Fourth Proportional to 9,503,405.28, 13,125,524.32 and 6,442,305.12
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Solution
The fourth proportional to 9,503,405.28, 13,125,524.32 and 6,442,305.12 is: 8,897,719.30
Step by Step Solution
- Step 1: Write the proportion equation
9,503,405.28 : 13,125,524.32 = 6,442,305.12 : x - Step 2: Convert to fraction form
9,503,405.28/13,125,524.32 = 6,442,305.12/x - Step 3: Cross multiply
9,503,405.28x = 13,125,524.32 × 6,442,305.12 - Step 4: Simplify right side
9,503,405.28x = 84,558,632,529,420.52 - Step 5: Solve for x
x = 84,558,632,529,420.52/9,503,405.28 - Step 6: Final answer
x = 8,897,719.30
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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.