Finding the Fourth Proportional to 18,001,781.47, 24,842,521.16 and 9,741,841.68
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Solution
The fourth proportional to 18,001,781.47, 24,842,521.16 and 9,741,841.68 is: 13,443,775.47
Step by Step Solution
- Step 1: Write the proportion equation
18,001,781.47 : 24,842,521.16 = 9,741,841.68 : x - Step 2: Convert to fraction form
18,001,781.47/24,842,521.16 = 9,741,841.68/x - Step 3: Cross multiply
18,001,781.47x = 24,842,521.16 × 9,741,841.68 - Step 4: Simplify right side
18,001,781.47x = 242,011,908,072,769.94 - Step 5: Solve for x
x = 242,011,908,072,769.94/18,001,781.47 - Step 6: Final answer
x = 13,443,775.47
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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.