Finding the Fourth Proportional to 39,420,204.66, 59,130,306.98 and 12,493,860.66
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Solution
The fourth proportional to 39,420,204.66, 59,130,306.98 and 12,493,860.66 is: 18,740,790.99
Step by Step Solution
- Step 1: Write the proportion equation
39,420,204.66 : 59,130,306.98 = 12,493,860.66 : x - Step 2: Convert to fraction form
39,420,204.66/59,130,306.98 = 12,493,860.66/x - Step 3: Cross multiply
39,420,204.66x = 59,130,306.98 × 12,493,860.66 - Step 4: Simplify right side
39,420,204.66x = 738,765,816,191,145.38 - Step 5: Solve for x
x = 738,765,816,191,145.38/39,420,204.66 - Step 6: Final answer
x = 18,740,790.99
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1.5x scale
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.