Finding the Fourth Proportional to 15,194,507.28, 22,778,988.49 and 12,308,718.07
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Solution
The fourth proportional to 15,194,507.28, 22,778,988.49 and 12,308,718.07 is: 18,452,730.45
Step by Step Solution
- Step 1: Write the proportion equation
15,194,507.28 : 22,778,988.49 = 12,308,718.07 : x - Step 2: Convert to fraction form
15,194,507.28/22,778,988.49 = 12,308,718.07/x - Step 3: Cross multiply
15,194,507.28x = 22,778,988.49 × 12,308,718.07 - Step 4: Simplify right side
15,194,507.28x = 280,380,147,129,290.03 - Step 5: Solve for x
x = 280,380,147,129,290.03/15,194,507.28 - Step 6: Final answer
x = 18,452,730.45
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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.