Finding the Fourth Proportional to 7,155,331.13, 9,874,409.01 and 3,892,174.04
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Solution
The fourth proportional to 7,155,331.13, 9,874,409.01 and 3,892,174.04 is: 5,371,228.49
Step by Step Solution
- Step 1: Write the proportion equation
7,155,331.13 : 9,874,409.01 = 3,892,174.04 : x - Step 2: Convert to fraction form
7,155,331.13/9,874,409.01 = 3,892,174.04/x - Step 3: Cross multiply
7,155,331.13x = 9,874,409.01 × 3,892,174.04 - Step 4: Simplify right side
7,155,331.13x = 38,432,918,409,064.10 - Step 5: Solve for x
x = 38,432,918,409,064.10/7,155,331.13 - Step 6: Final answer
x = 5,371,228.49
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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.