Finding the Fourth Proportional to 18,001,781.97, 24,842,521.85 and 9,741,842.19
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Solution
The fourth proportional to 18,001,781.97, 24,842,521.85 and 9,741,842.19 is: 13,443,776.17
Step by Step Solution
- Step 1: Write the proportion equation
18,001,781.97 : 24,842,521.85 = 9,741,842.19 : x - Step 2: Convert to fraction form
18,001,781.97/24,842,521.85 = 9,741,842.19/x - Step 3: Cross multiply
18,001,781.97x = 24,842,521.85 × 9,741,842.19 - Step 4: Simplify right side
18,001,781.97x = 242,011,927,415,617.62 - Step 5: Solve for x
x = 242,011,927,415,617.62/18,001,781.97 - Step 6: Final answer
x = 13,443,776.17
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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.