Finding the Fourth Proportional to 12,406,957.18, 18,593,410.25 and 7,849,847.99
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Solution
The fourth proportional to 12,406,957.18, 18,593,410.25 and 7,849,847.99 is: 11,763,999.99
Step by Step Solution
- Step 1: Write the proportion equation
12,406,957.18 : 18,593,410.25 = 7,849,847.99 : x - Step 2: Convert to fraction form
12,406,957.18/18,593,410.25 = 7,849,847.99/x - Step 3: Cross multiply
12,406,957.18x = 18,593,410.25 × 7,849,847.99 - Step 4: Simplify right side
12,406,957.18x = 145,955,444,097,832.53 - Step 5: Solve for x
x = 145,955,444,097,832.53/12,406,957.18 - Step 6: Final answer
x = 11,763,999.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.