Finding the Fourth Proportional to 13,368,453.84, 20,060,264.79 and 7,220,359.44
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Solution
The fourth proportional to 13,368,453.84, 20,060,264.79 and 7,220,359.44 is: 10,834,635.33
Step by Step Solution
- Step 1: Write the proportion equation
13,368,453.84 : 20,060,264.79 = 7,220,359.44 : x - Step 2: Convert to fraction form
13,368,453.84/20,060,264.79 = 7,220,359.44/x - Step 3: Cross multiply
13,368,453.84x = 20,060,264.79 × 7,220,359.44 - Step 4: Simplify right side
13,368,453.84x = 144,842,322,245,376.12 - Step 5: Solve for x
x = 144,842,322,245,376.12/13,368,453.84 - Step 6: Final answer
x = 10,834,635.33
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1.5x scale
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.