Finding the Fourth Proportional to 38,062,444.50, 52,526,231.10 and 20,658,796.08
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Solution
The fourth proportional to 38,062,444.50, 52,526,231.10 and 20,658,796.08 is: 28,509,169.90
Step by Step Solution
- Step 1: Write the proportion equation
38,062,444.50 : 52,526,231.10 = 20,658,796.08 : x - Step 2: Convert to fraction form
38,062,444.50/52,526,231.10 = 20,658,796.08/x - Step 3: Cross multiply
38,062,444.50x = 52,526,231.10 × 20,658,796.08 - Step 4: Simplify right side
38,062,444.50x = 1,085,128,697,145,854 - Step 5: Solve for x
x = 1,085,128,697,145,854/38,062,444.50 - Step 6: Final answer
x = 28,509,169.90
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1.5x scale
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.