Finding the Fourth Proportional to 10,645,102.80, 15,967,423.65 and 2,968,542.81
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Solution
The fourth proportional to 10,645,102.80, 15,967,423.65 and 2,968,542.81 is: 4,452,749.92
Step by Step Solution
- Step 1: Write the proportion equation
10,645,102.80 : 15,967,423.65 = 2,968,542.81 : x - Step 2: Convert to fraction form
10,645,102.80/15,967,423.65 = 2,968,542.81/x - Step 3: Cross multiply
10,645,102.80x = 15,967,423.65 × 2,968,542.81 - Step 4: Simplify right side
10,645,102.80x = 47,399,980,670,431.46 - Step 5: Solve for x
x = 47,399,980,670,431.46/10,645,102.80 - Step 6: Final answer
x = 4,452,749.92
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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.