Finding the Fourth Proportional to 19,303,206.30, 28,954,784.97 and 4,926,274.38
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Solution
The fourth proportional to 19,303,206.30, 28,954,784.97 and 4,926,274.38 is: 7,389,405.32
Step by Step Solution
- Step 1: Write the proportion equation
19,303,206.30 : 28,954,784.97 = 4,926,274.38 : x - Step 2: Convert to fraction form
19,303,206.30/28,954,784.97 = 4,926,274.38/x - Step 3: Cross multiply
19,303,206.30x = 28,954,784.97 × 4,926,274.38 - Step 4: Simplify right side
19,303,206.30x = 142,639,215,376,120.06 - Step 5: Solve for x
x = 142,639,215,376,120.06/19,303,206.30 - Step 6: Final answer
x = 7,389,405.32
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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.