Finding the Fourth Proportional to 11,146,870.53, 15,381,451.40 and 6,251,085.14
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Solution
The fourth proportional to 11,146,870.53, 15,381,451.40 and 6,251,085.14 is: 8,625,807.75
Step by Step Solution
- Step 1: Write the proportion equation
11,146,870.53 : 15,381,451.40 = 6,251,085.14 : x - Step 2: Convert to fraction form
11,146,870.53/15,381,451.40 = 6,251,085.14/x - Step 3: Cross multiply
11,146,870.53x = 15,381,451.40 × 6,251,085.14 - Step 4: Simplify right side
11,146,870.53x = 96,150,762,170,009.50 - Step 5: Solve for x
x = 96,150,762,170,009.50/11,146,870.53 - Step 6: Final answer
x = 8,625,807.75
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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.