Finding the Fourth Proportional to 7,135,457.58, 9,846,957.24 and 3,872,271.60
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Solution
The fourth proportional to 7,135,457.58, 9,846,957.24 and 3,872,271.60 is: 5,343,748.80
Step by Step Solution
- Step 1: Write the proportion equation
7,135,457.58 : 9,846,957.24 = 3,872,271.60 : x - Step 2: Convert to fraction form
7,135,457.58/9,846,957.24 = 3,872,271.60/x - Step 3: Cross multiply
7,135,457.58x = 9,846,957.24 × 3,872,271.60 - Step 4: Simplify right side
7,135,457.58x = 38,130,092,866,866.38 - Step 5: Solve for x
x = 38,130,092,866,866.38/7,135,457.58 - Step 6: Final answer
x = 5,343,748.80
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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.