Finding the Fourth Proportional to 31,091,835.06, 46,643,730.39 and 11,921,096.99
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Solution
The fourth proportional to 31,091,835.06, 46,643,730.39 and 11,921,096.99 is: 17,883,937.47
Step by Step Solution
- Step 1: Write the proportion equation
31,091,835.06 : 46,643,730.39 = 11,921,096.99 : x - Step 2: Convert to fraction form
31,091,835.06/46,643,730.39 = 11,921,096.99/x - Step 3: Cross multiply
31,091,835.06x = 46,643,730.39 × 11,921,096.99 - Step 4: Simplify right side
31,091,835.06x = 556,044,434,071,209.88 - Step 5: Solve for x
x = 556,044,434,071,209.88/31,091,835.06 - Step 6: Final answer
x = 17,883,937.47
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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.