Finding the Fourth Proportional to 11,029,539.45, 15,220,546.16 and 6,134,656.19
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Solution
The fourth proportional to 11,029,539.45, 15,220,546.16 and 6,134,656.19 is: 8,465,704.13
Step by Step Solution
- Step 1: Write the proportion equation
11,029,539.45 : 15,220,546.16 = 6,134,656.19 : x - Step 2: Convert to fraction form
11,029,539.45/15,220,546.16 = 6,134,656.19/x - Step 3: Cross multiply
11,029,539.45x = 15,220,546.16 × 6,134,656.19 - Step 4: Simplify right side
11,029,539.45x = 93,372,817,700,288.09 - Step 5: Solve for x
x = 93,372,817,700,288.09/11,029,539.45 - Step 6: Final answer
x = 8,465,704.13
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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.