Finding the Fourth Proportional to 14,204,512.39, 19,602,218.65 and 7,678,141.95
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Solution
The fourth proportional to 14,204,512.39, 19,602,218.65 and 7,678,141.95 is: 10,595,831.32
Step by Step Solution
- Step 1: Write the proportion equation
14,204,512.39 : 19,602,218.65 = 7,678,141.95 : x - Step 2: Convert to fraction form
14,204,512.39/19,602,218.65 = 7,678,141.95/x - Step 3: Cross multiply
14,204,512.39x = 19,602,218.65 × 7,678,141.95 - Step 4: Simplify right side
14,204,512.39x = 150,508,617,329,637.38 - Step 5: Solve for x
x = 150,508,617,329,637.38/14,204,512.39 - Step 6: Final answer
x = 10,595,831.32
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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.