Finding the Fourth Proportional to 13,263,496.71, 19,895,243.37 and 3,678,875.19
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Solution
The fourth proportional to 13,263,496.71, 19,895,243.37 and 3,678,875.19 is: 5,518,312.31
Step by Step Solution
- Step 1: Write the proportion equation
13,263,496.71 : 19,895,243.37 = 3,678,875.19 : x - Step 2: Convert to fraction form
13,263,496.71/19,895,243.37 = 3,678,875.19/x - Step 3: Cross multiply
13,263,496.71x = 19,895,243.37 × 3,678,875.19 - Step 4: Simplify right side
13,263,496.71x = 73,192,117,232,905 - Step 5: Solve for x
x = 73,192,117,232,905/13,263,496.71 - Step 6: Final answer
x = 5,518,312.31
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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.