Finding the Fourth Proportional to 48,318,848.36, 66,657,959.87 and 28,728,588.09
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Solution
The fourth proportional to 48,318,848.36, 66,657,959.87 and 28,728,588.09 is: 39,632,340.94
Step by Step Solution
- Step 1: Write the proportion equation
48,318,848.36 : 66,657,959.87 = 28,728,588.09 : x - Step 2: Convert to fraction form
48,318,848.36/66,657,959.87 = 28,728,588.09/x - Step 3: Cross multiply
48,318,848.36x = 66,657,959.87 × 28,728,588.09 - Step 4: Simplify right side
48,318,848.36x = 1,914,989,071,881,337 - Step 5: Solve for x
x = 1,914,989,071,881,337/48,318,848.36 - Step 6: Final answer
x = 39,632,340.94
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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.