Finding the Fourth Proportional to 16,805,303.80, 25,207,955.70 and 13,446,071.80
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Solution
The fourth proportional to 16,805,303.80, 25,207,955.70 and 13,446,071.80 is: 20,169,107.70
Step by Step Solution
- Step 1: Write the proportion equation
16,805,303.80 : 25,207,955.70 = 13,446,071.80 : x - Step 2: Convert to fraction form
16,805,303.80/25,207,955.70 = 13,446,071.80/x - Step 3: Cross multiply
16,805,303.80x = 25,207,955.70 × 13,446,071.80 - Step 4: Simplify right side
16,805,303.80x = 338,947,982,273,419.25 - Step 5: Solve for x
x = 338,947,982,273,419.25/16,805,303.80 - Step 6: Final answer
x = 20,169,107.70
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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.