Finding the Fourth Proportional to 10,036,455.41, 13,850,406.05 and 5,685,448.68
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Solution
The fourth proportional to 10,036,455.41, 13,850,406.05 and 5,685,448.68 is: 7,845,974.45
Step by Step Solution
- Step 1: Write the proportion equation
10,036,455.41 : 13,850,406.05 = 5,685,448.68 : x - Step 2: Convert to fraction form
10,036,455.41/13,850,406.05 = 5,685,448.68/x - Step 3: Cross multiply
10,036,455.41x = 13,850,406.05 × 5,685,448.68 - Step 4: Simplify right side
10,036,455.41x = 78,745,772,766,009.27 - Step 5: Solve for x
x = 78,745,772,766,009.27/10,036,455.41 - Step 6: Final answer
x = 7,845,974.45
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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.