Finding the Fourth Proportional to 15,756,031.02, 21,743,301.74 and 8,512,687.02
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Solution
The fourth proportional to 15,756,031.02, 21,743,301.74 and 8,512,687.02 is: 11,747,496.71
Step by Step Solution
- Step 1: Write the proportion equation
15,756,031.02 : 21,743,301.74 = 8,512,687.02 : x - Step 2: Convert to fraction form
15,756,031.02/21,743,301.74 = 8,512,687.02/x - Step 3: Cross multiply
15,756,031.02x = 21,743,301.74 × 8,512,687.02 - Step 4: Simplify right side
15,756,031.02x = 185,093,922,494,041.41 - Step 5: Solve for x
x = 185,093,922,494,041.41/15,756,031.02 - Step 6: Final answer
x = 11,747,496.71
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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.