Finding the Fourth Proportional to 11,287,365.54, 15,576,609.06 and 6,130,813.20
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Solution
The fourth proportional to 11,287,365.54, 15,576,609.06 and 6,130,813.20 is: 8,460,546.45
Step by Step Solution
- Step 1: Write the proportion equation
11,287,365.54 : 15,576,609.06 = 6,130,813.20 : x - Step 2: Convert to fraction form
11,287,365.54/15,576,609.06 = 6,130,813.20/x - Step 3: Cross multiply
11,287,365.54x = 15,576,609.06 × 6,130,813.20 - Step 4: Simplify right side
11,287,365.54x = 95,497,280,436,287.59 - Step 5: Solve for x
x = 95,497,280,436,287.59/11,287,365.54 - Step 6: Final answer
x = 8,460,546.45
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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.