Finding the Fourth Proportional to 12,584,491.98, 17,356,760.44 and 8,175,638.13
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Solution
The fourth proportional to 12,584,491.98, 17,356,760.44 and 8,175,638.13 is: 11,275,988.95
Step by Step Solution
- Step 1: Write the proportion equation
12,584,491.98 : 17,356,760.44 = 8,175,638.13 : x - Step 2: Convert to fraction form
12,584,491.98/17,356,760.44 = 8,175,638.13/x - Step 3: Cross multiply
12,584,491.98x = 17,356,760.44 × 8,175,638.13 - Step 4: Simplify right side
12,584,491.98x = 141,902,592,466,539.59 - Step 5: Solve for x
x = 141,902,592,466,539.59/12,584,491.98 - Step 6: Final answer
x = 11,275,988.95
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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.