Finding the Fourth Proportional to 14,271,910.62, 19,695,246.30 and 7,745,538.12
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Solution
The fourth proportional to 14,271,910.62, 19,695,246.30 and 7,745,538.12 is: 10,688,847.84
Step by Step Solution
- Step 1: Write the proportion equation
14,271,910.62 : 19,695,246.30 = 7,745,538.12 : x - Step 2: Convert to fraction form
14,271,910.62/19,695,246.30 = 7,745,538.12/x - Step 3: Cross multiply
14,271,910.62x = 19,695,246.30 × 7,745,538.12 - Step 4: Simplify right side
14,271,910.62x = 152,550,280,999,438.97 - Step 5: Solve for x
x = 152,550,280,999,438.97/14,271,910.62 - Step 6: Final answer
x = 10,688,847.84
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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.