Finding the Fourth Proportional to 10,130,252.20, 15,182,475.90 and 4,139,852.20
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Solution
The fourth proportional to 10,130,252.20, 15,182,475.90 and 4,139,852.20 is: 6,204,505.58
Step by Step Solution
- Step 1: Write the proportion equation
10,130,252.20 : 15,182,475.90 = 4,139,852.20 : x - Step 2: Convert to fraction form
10,130,252.20/15,182,475.90 = 4,139,852.20/x - Step 3: Cross multiply
10,130,252.20x = 15,182,475.90 × 4,139,852.20 - Step 4: Simplify right side
10,130,252.20x = 62,853,206,256,061.98 - Step 5: Solve for x
x = 62,853,206,256,061.98/10,130,252.20 - Step 6: Final answer
x = 6,204,505.58
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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.