Finding the Fourth Proportional to 18,000,357.99, 24,840,559.86 and 9,740,420.33
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Solution
The fourth proportional to 18,000,357.99, 24,840,559.86 and 9,740,420.33 is: 13,441,815.68
Step by Step Solution
- Step 1: Write the proportion equation
18,000,357.99 : 24,840,559.86 = 9,740,420.33 : x - Step 2: Convert to fraction form
18,000,357.99/24,840,559.86 = 9,740,420.33/x - Step 3: Cross multiply
18,000,357.99x = 24,840,559.86 × 9,740,420.33 - Step 4: Simplify right side
18,000,357.99x = 241,957,494,268,925.94 - Step 5: Solve for x
x = 241,957,494,268,925.94/18,000,357.99 - Step 6: Final answer
x = 13,441,815.68
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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.