Finding the Fourth Proportional to 20,397,772.94, 30,598,901.05 and 6,745,946.44
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Solution
The fourth proportional to 20,397,772.94, 30,598,901.05 and 6,745,946.44 is: 10,119,661.01
Step by Step Solution
- Step 1: Write the proportion equation
20,397,772.94 : 30,598,901.05 = 6,745,946.44 : x - Step 2: Convert to fraction form
20,397,772.94/30,598,901.05 = 6,745,946.44/x - Step 3: Cross multiply
20,397,772.94x = 30,598,901.05 × 6,745,946.44 - Step 4: Simplify right side
20,397,772.94x = 206,418,547,606,159.78 - Step 5: Solve for x
x = 206,418,547,606,159.78/20,397,772.94 - Step 6: Final answer
x = 10,119,661.01
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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.