Finding the Fourth Proportional to 52,460,783.12, 72,395,739.96 and 29,255,935.52
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Solution
The fourth proportional to 52,460,783.12, 72,395,739.96 and 29,255,935.52 is: 40,373,112.53
Step by Step Solution
- Step 1: Write the proportion equation
52,460,783.12 : 72,395,739.96 = 29,255,935.52 : x - Step 2: Convert to fraction form
52,460,783.12/72,395,739.96 = 29,255,935.52/x - Step 3: Cross multiply
52,460,783.12x = 72,395,739.96 × 29,255,935.52 - Step 4: Simplify right side
52,460,783.12x = 2,118,005,100,192,447.25 - Step 5: Solve for x
x = 2,118,005,100,192,447.25/52,460,783.12 - Step 6: Final answer
x = 40,373,112.53
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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.