Finding the Fourth Proportional to 37,448,512.74, 51,680,543.62 and 20,928,636.84
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Solution
The fourth proportional to 37,448,512.74, 51,680,543.62 and 20,928,636.84 is: 28,882,410.81
Step by Step Solution
- Step 1: Write the proportion equation
37,448,512.74 : 51,680,543.62 = 20,928,636.84 : x - Step 2: Convert to fraction form
37,448,512.74/51,680,543.62 = 20,928,636.84/x - Step 3: Cross multiply
37,448,512.74x = 51,680,543.62 × 20,928,636.84 - Step 4: Simplify right side
37,448,512.74x = 1,081,603,329,116,758.88 - Step 5: Solve for x
x = 1,081,603,329,116,758.88/37,448,512.74 - Step 6: Final answer
x = 28,882,410.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.