Finding the Fourth Proportional to 19,700,512.74, 29,518,343.84 and 6,739,578.23
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Solution
The fourth proportional to 19,700,512.74, 29,518,343.84 and 6,739,578.23 is: 10,098,274.60
Step by Step Solution
- Step 1: Write the proportion equation
19,700,512.74 : 29,518,343.84 = 6,739,578.23 : x - Step 2: Convert to fraction form
19,700,512.74/29,518,343.84 = 6,739,578.23/x - Step 3: Cross multiply
19,700,512.74x = 29,518,343.84 × 6,739,578.23 - Step 4: Simplify right side
19,700,512.74x = 198,941,187,532,918.66 - Step 5: Solve for x
x = 198,941,187,532,918.66/19,700,512.74 - Step 6: Final answer
x = 10,098,274.60
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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.