Finding the Fourth Proportional to 37,623,527.76, 51,920,903.70 and 20,878,618.08
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Solution
The fourth proportional to 37,623,527.76, 51,920,903.70 and 20,878,618.08 is: 28,812,734.56
Step by Step Solution
- Step 1: Write the proportion equation
37,623,527.76 : 51,920,903.70 = 20,878,618.08 : x - Step 2: Convert to fraction form
37,623,527.76/51,920,903.70 = 20,878,618.08/x - Step 3: Cross multiply
37,623,527.76x = 51,920,903.70 × 20,878,618.08 - Step 4: Simplify right side
37,623,527.76x = 1,084,036,718,720,758.88 - Step 5: Solve for x
x = 1,084,036,718,720,758.88/37,623,527.76 - Step 6: Final answer
x = 28,812,734.56
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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.