Finding the Fourth Proportional to 38,759,647.74, 53,489,525.42 and 22,242,793.62
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Solution
The fourth proportional to 38,759,647.74, 53,489,525.42 and 22,242,793.62 is: 30,695,750.45
Step by Step Solution
- Step 1: Write the proportion equation
38,759,647.74 : 53,489,525.42 = 22,242,793.62 : x - Step 2: Convert to fraction form
38,759,647.74/53,489,525.42 = 22,242,793.62/x - Step 3: Cross multiply
38,759,647.74x = 53,489,525.42 × 22,242,793.62 - Step 4: Simplify right side
38,759,647.74x = 1,189,756,474,637,590 - Step 5: Solve for x
x = 1,189,756,474,637,590/38,759,647.74 - Step 6: Final answer
x = 30,695,750.45
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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.