Finding the Fourth Proportional to 12,761,830.95, 17,611,536.63 and 6,960,612.74
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Solution
The fourth proportional to 12,761,830.95, 17,611,536.63 and 6,960,612.74 is: 9,605,760.07
Step by Step Solution
- Step 1: Write the proportion equation
12,761,830.95 : 17,611,536.63 = 6,960,612.74 : x - Step 2: Convert to fraction form
12,761,830.95/17,611,536.63 = 6,960,612.74/x - Step 3: Cross multiply
12,761,830.95x = 17,611,536.63 × 6,960,612.74 - Step 4: Simplify right side
12,761,830.95x = 122,587,086,149,696.98 - Step 5: Solve for x
x = 122,587,086,149,696.98/12,761,830.95 - Step 6: Final answer
x = 9,605,760.07
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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.