Finding the Fourth Proportional to 7,516,505.02, 10,372,633.05 and 4,253,260.36
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Solution
The fourth proportional to 7,516,505.02, 10,372,633.05 and 4,253,260.36 is: 5,869,417.88
Step by Step Solution
- Step 1: Write the proportion equation
7,516,505.02 : 10,372,633.05 = 4,253,260.36 : x - Step 2: Convert to fraction form
7,516,505.02/10,372,633.05 = 4,253,260.36/x - Step 3: Cross multiply
7,516,505.02x = 10,372,633.05 × 4,253,260.36 - Step 4: Simplify right side
7,516,505.02x = 44,117,508,980,390.91 - Step 5: Solve for x
x = 44,117,508,980,390.91/7,516,505.02 - Step 6: Final answer
x = 5,869,417.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.