Finding the Fourth Proportional to 14,928,107.98, 20,601,451.84 and 8,402,160.12
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Solution
The fourth proportional to 14,928,107.98, 20,601,451.84 and 8,402,160.12 is: 11,595,354.03
Step by Step Solution
- Step 1: Write the proportion equation
14,928,107.98 : 20,601,451.84 = 8,402,160.12 : x - Step 2: Convert to fraction form
14,928,107.98/20,601,451.84 = 8,402,160.12/x - Step 3: Cross multiply
14,928,107.98x = 20,601,451.84 × 8,402,160.12 - Step 4: Simplify right side
14,928,107.98x = 173,096,697,073,885.59 - Step 5: Solve for x
x = 173,096,697,073,885.59/14,928,107.98 - Step 6: Final answer
x = 11,595,354.03
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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.