Finding the Fourth Proportional to 18,028,710.15, 24,879,641.88 and 9,768,765.92
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Solution
The fourth proportional to 18,028,710.15, 24,879,641.88 and 9,768,765.92 is: 13,480,908.82
Step by Step Solution
- Step 1: Write the proportion equation
18,028,710.15 : 24,879,641.88 = 9,768,765.92 : x - Step 2: Convert to fraction form
18,028,710.15/24,879,641.88 = 9,768,765.92/x - Step 3: Cross multiply
18,028,710.15x = 24,879,641.88 × 9,768,765.92 - Step 4: Simplify right side
18,028,710.15x = 243,043,397,699,148.72 - Step 5: Solve for x
x = 243,043,397,699,148.72/18,028,710.15 - Step 6: Final answer
x = 13,480,908.82
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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.