Finding the Fourth Proportional to 35,361,912.80, 53,042,869.20 and 18,327,807.20
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Solution
The fourth proportional to 35,361,912.80, 53,042,869.20 and 18,327,807.20 is: 27,491,710.80
Step by Step Solution
- Step 1: Write the proportion equation
35,361,912.80 : 53,042,869.20 = 18,327,807.20 : x - Step 2: Convert to fraction form
35,361,912.80/53,042,869.20 = 18,327,807.20/x - Step 3: Cross multiply
35,361,912.80x = 53,042,869.20 × 18,327,807.20 - Step 4: Simplify right side
35,361,912.80x = 972,159,480,032,418.25 - Step 5: Solve for x
x = 972,159,480,032,418.25/35,361,912.80 - Step 6: Final answer
x = 27,491,710.80
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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.