Finding the Fourth Proportional to 27,489,581.43, 41,243,341.61 and 13,110,780.84
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Solution
The fourth proportional to 27,489,581.43, 41,243,341.61 and 13,110,780.84 is: 19,670,449.12
Step by Step Solution
- Step 1: Write the proportion equation
27,489,581.43 : 41,243,341.61 = 13,110,780.84 : x - Step 2: Convert to fraction form
27,489,581.43/41,243,341.61 = 13,110,780.84/x - Step 3: Cross multiply
27,489,581.43x = 41,243,341.61 × 13,110,780.84 - Step 4: Simplify right side
27,489,581.43x = 540,732,412,957,962.75 - Step 5: Solve for x
x = 540,732,412,957,962.75/27,489,581.43 - Step 6: Final answer
x = 19,670,449.12
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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.