Finding the Fourth Proportional to 7,482,713.12, 10,319,257.68 and 4,903,457.12
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Solution
The fourth proportional to 7,482,713.12, 10,319,257.68 and 4,903,457.12 is: 6,762,258.12
Step by Step Solution
- Step 1: Write the proportion equation
7,482,713.12 : 10,319,257.68 = 4,903,457.12 : x - Step 2: Convert to fraction form
7,482,713.12/10,319,257.68 = 4,903,457.12/x - Step 3: Cross multiply
7,482,713.12x = 10,319,257.68 × 4,903,457.12 - Step 4: Simplify right side
7,482,713.12x = 50,600,037,544,110.68 - Step 5: Solve for x
x = 50,600,037,544,110.68/7,482,713.12 - Step 6: Final answer
x = 6,762,258.12
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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.