Finding the Fourth Proportional to 13,454,415.02, 18,560,635.06 and 8,806,153.60
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Solution
The fourth proportional to 13,454,415.02, 18,560,635.06 and 8,806,153.60 is: 12,148,265.31
Step by Step Solution
- Step 1: Write the proportion equation
13,454,415.02 : 18,560,635.06 = 8,806,153.60 : x - Step 2: Convert to fraction form
13,454,415.02/18,560,635.06 = 8,806,153.60/x - Step 3: Cross multiply
13,454,415.02x = 18,560,635.06 × 8,806,153.60 - Step 4: Simplify right side
13,454,415.02x = 163,447,803,251,905.19 - Step 5: Solve for x
x = 163,447,803,251,905.19/13,454,415.02 - Step 6: Final answer
x = 12,148,265.31
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1.5x scale
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.