Finding the Fourth Proportional to 20,232,418.47, 30,358,592.13 and 9,448,151.99
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Solution
The fourth proportional to 20,232,418.47, 30,358,592.13 and 9,448,151.99 is: 14,176,881.17
Step by Step Solution
- Step 1: Write the proportion equation
20,232,418.47 : 30,358,592.13 = 9,448,151.99 : x - Step 2: Convert to fraction form
20,232,418.47/30,358,592.13 = 9,448,151.99/x - Step 3: Cross multiply
20,232,418.47x = 30,358,592.13 × 9,448,151.99 - Step 4: Simplify right side
20,232,418.47x = 286,832,592,494,864.88 - Step 5: Solve for x
x = 286,832,592,494,864.88/20,232,418.47 - Step 6: Final answer
x = 14,176,881.17
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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.