Finding the Fourth Proportional to 13,905,342.36, 19,195,678.89 and 8,950,934.43
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Solution
The fourth proportional to 13,905,342.36, 19,195,678.89 and 8,950,934.43 is: 12,356,348.99
Step by Step Solution
- Step 1: Write the proportion equation
13,905,342.36 : 19,195,678.89 = 8,950,934.43 : x - Step 2: Convert to fraction form
13,905,342.36/19,195,678.89 = 8,950,934.43/x - Step 3: Cross multiply
13,905,342.36x = 19,195,678.89 × 8,950,934.43 - Step 4: Simplify right side
13,905,342.36x = 171,819,263,083,725.19 - Step 5: Solve for x
x = 171,819,263,083,725.19/13,905,342.36 - Step 6: Final answer
x = 12,356,348.99
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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.