Finding the Fourth Proportional to 31,371,841.06, 43,291,558.80 and 17,432,896.84
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Solution
The fourth proportional to 31,371,841.06, 43,291,558.80 and 17,432,896.84 is: 24,056,518.62
Step by Step Solution
- Step 1: Write the proportion equation
31,371,841.06 : 43,291,558.80 = 17,432,896.84 : x - Step 2: Convert to fraction form
31,371,841.06/43,291,558.80 = 17,432,896.84/x - Step 3: Cross multiply
31,371,841.06x = 43,291,558.80 × 17,432,896.84 - Step 4: Simplify right side
31,371,841.06x = 754,697,278,494,965.12 - Step 5: Solve for x
x = 754,697,278,494,965.12/31,371,841.06 - Step 6: Final answer
x = 24,056,518.62
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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.