Finding the Fourth Proportional to 10,478,178.18, 15,717,267.99 and 2,905,144.14
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Solution
The fourth proportional to 10,478,178.18, 15,717,267.99 and 2,905,144.14 is: 4,357,716.41
Step by Step Solution
- Step 1: Write the proportion equation
10,478,178.18 : 15,717,267.99 = 2,905,144.14 : x - Step 2: Convert to fraction form
10,478,178.18/15,717,267.99 = 2,905,144.14/x - Step 3: Cross multiply
10,478,178.18x = 15,717,267.99 × 2,905,144.14 - Step 4: Simplify right side
10,478,178.18x = 45,660,928,997,958.08 - Step 5: Solve for x
x = 45,660,928,997,958.08/10,478,178.18 - Step 6: Final answer
x = 4,357,716.41
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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.