Finding the Fourth Proportional to 19,325,774.76, 28,987,905.60 and 6,546,279.48
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Solution
The fourth proportional to 19,325,774.76, 28,987,905.60 and 6,546,279.48 is: 9,819,162.95
Step by Step Solution
- Step 1: Write the proportion equation
19,325,774.76 : 28,987,905.60 = 6,546,279.48 : x - Step 2: Convert to fraction form
19,325,774.76/28,987,905.60 = 6,546,279.48/x - Step 3: Cross multiply
19,325,774.76x = 28,987,905.60 × 6,546,279.48 - Step 4: Simplify right side
19,325,774.76x = 189,762,931,597,457.12 - Step 5: Solve for x
x = 189,762,931,597,457.12/19,325,774.76 - Step 6: Final answer
x = 9,819,162.95
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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.