Finding the Fourth Proportional to 35,381,064.65, 48,827,878.74 and 21,256,571.43
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Solution
The fourth proportional to 35,381,064.65, 48,827,878.74 and 21,256,571.43 is: 29,335,275.88
Step by Step Solution
- Step 1: Write the proportion equation
35,381,064.65 : 48,827,878.74 = 21,256,571.43 : x - Step 2: Convert to fraction form
35,381,064.65/48,827,878.74 = 21,256,571.43/x - Step 3: Cross multiply
35,381,064.65x = 48,827,878.74 × 21,256,571.43 - Step 4: Simplify right side
35,381,064.65x = 1,037,913,292,212,188.38 - Step 5: Solve for x
x = 1,037,913,292,212,188.38/35,381,064.65 - Step 6: Final answer
x = 29,335,275.88
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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.