Finding the Fourth Proportional to 12,731,240.49, 17,569,335.83 and 6,930,188.97
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Solution
The fourth proportional to 12,731,240.49, 17,569,335.83 and 6,930,188.97 is: 9,563,782.68
Step by Step Solution
- Step 1: Write the proportion equation
12,731,240.49 : 17,569,335.83 = 6,930,188.97 : x - Step 2: Convert to fraction form
12,731,240.49/17,569,335.83 = 6,930,188.97/x - Step 3: Cross multiply
12,731,240.49x = 17,569,335.83 × 6,930,188.97 - Step 4: Simplify right side
12,731,240.49x = 121,758,817,344,640.84 - Step 5: Solve for x
x = 121,758,817,344,640.84/12,731,240.49 - Step 6: Final answer
x = 9,563,782.68
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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.