Finding the Fourth Proportional to 11,430,861.36, 15,774,792.12 and 6,274,702.32
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Solution
The fourth proportional to 11,430,861.36, 15,774,792.12 and 6,274,702.32 is: 8,659,200.88
Step by Step Solution
- Step 1: Write the proportion equation
11,430,861.36 : 15,774,792.12 = 6,274,702.32 : x - Step 2: Convert to fraction form
11,430,861.36/15,774,792.12 = 6,274,702.32/x - Step 3: Cross multiply
11,430,861.36x = 15,774,792.12 × 6,274,702.32 - Step 4: Simplify right side
11,430,861.36x = 98,982,124,712,881.72 - Step 5: Solve for x
x = 98,982,124,712,881.72/11,430,861.36 - Step 6: Final answer
x = 8,659,200.88
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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.