Finding the Fourth Proportional to 20,232,419.47, 30,358,593.63 and 9,448,152.99
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Solution
The fourth proportional to 20,232,419.47, 30,358,593.63 and 9,448,152.99 is: 14,176,882.68
Step by Step Solution
- Step 1: Write the proportion equation
20,232,419.47 : 30,358,593.63 = 9,448,152.99 : x - Step 2: Convert to fraction form
20,232,419.47/30,358,593.63 = 9,448,152.99/x - Step 3: Cross multiply
20,232,419.47x = 30,358,593.63 × 9,448,152.99 - Step 4: Simplify right side
20,232,419.47x = 286,832,637,177,479.44 - Step 5: Solve for x
x = 286,832,637,177,479.44/20,232,419.47 - Step 6: Final answer
x = 14,176,882.68
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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.