Finding the Fourth Proportional to 19,126,242.49, 26,394,767.81 and 10,424,978.68
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Solution
The fourth proportional to 19,126,242.49, 26,394,767.81 and 10,424,978.68 is: 14,386,772.09
Step by Step Solution
- Step 1: Write the proportion equation
19,126,242.49 : 26,394,767.81 = 10,424,978.68 : x - Step 2: Convert to fraction form
19,126,242.49/26,394,767.81 = 10,424,978.68/x - Step 3: Cross multiply
19,126,242.49x = 26,394,767.81 × 10,424,978.68 - Step 4: Simplify right side
19,126,242.49x = 275,164,891,682,800.28 - Step 5: Solve for x
x = 275,164,891,682,800.28/19,126,242.49 - Step 6: Final answer
x = 14,386,772.09
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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.