Finding the Fourth Proportional to 13,107,238.56, 19,657,908.08 and 4,702,246.56
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Solution
The fourth proportional to 13,107,238.56, 19,657,908.08 and 4,702,246.56 is: 7,052,311.61
Step by Step Solution
- Step 1: Write the proportion equation
13,107,238.56 : 19,657,908.08 = 4,702,246.56 : x - Step 2: Convert to fraction form
13,107,238.56/19,657,908.08 = 4,702,246.56/x - Step 3: Cross multiply
13,107,238.56x = 19,657,908.08 × 4,702,246.56 - Step 4: Simplify right side
13,107,238.56x = 92,436,330,645,976.19 - Step 5: Solve for x
x = 92,436,330,645,976.19/13,107,238.56 - Step 6: Final answer
x = 7,052,311.61
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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.