Finding the Fourth Proportional to 31,651,125.98, 47,470,045.86 and 8,926,708.82
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Solution
The fourth proportional to 31,651,125.98, 47,470,045.86 and 8,926,708.82 is: 13,388,189.64
Step by Step Solution
- Step 1: Write the proportion equation
31,651,125.98 : 47,470,045.86 = 8,926,708.82 : x - Step 2: Convert to fraction form
31,651,125.98/47,470,045.86 = 8,926,708.82/x - Step 3: Cross multiply
31,651,125.98x = 47,470,045.86 × 8,926,708.82 - Step 4: Simplify right side
31,651,125.98x = 423,751,277,064,266.50 - Step 5: Solve for x
x = 423,751,277,064,266.50/31,651,125.98 - Step 6: Final answer
x = 13,388,189.64
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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.