Finding the Fourth Proportional to 12,406,958.18, 18,593,411.75 and 7,849,848.99
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Solution
The fourth proportional to 12,406,958.18, 18,593,411.75 and 7,849,848.99 is: 11,764,001.48
Step by Step Solution
- Step 1: Write the proportion equation
12,406,958.18 : 18,593,411.75 = 7,849,848.99 : x - Step 2: Convert to fraction form
12,406,958.18/18,593,411.75 = 7,849,848.99/x - Step 3: Cross multiply
12,406,958.18x = 18,593,411.75 × 7,849,848.99 - Step 4: Simplify right side
12,406,958.18x = 145,955,474,446,391.62 - Step 5: Solve for x
x = 145,955,474,446,391.62/12,406,958.18 - Step 6: Final answer
x = 11,764,001.48
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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.