Finding the Fourth Proportional to 7,147,237.08, 9,863,283.24 and 3,884,116.44
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Solution
The fourth proportional to 7,147,237.08, 9,863,283.24 and 3,884,116.44 is: 5,360,132.90
Step by Step Solution
- Step 1: Write the proportion equation
7,147,237.08 : 9,863,283.24 = 3,884,116.44 : x - Step 2: Convert to fraction form
7,147,237.08/9,863,283.24 = 3,884,116.44/x - Step 3: Cross multiply
7,147,237.08x = 9,863,283.24 × 3,884,116.44 - Step 4: Simplify right side
7,147,237.08x = 38,310,140,584,860.47 - Step 5: Solve for x
x = 38,310,140,584,860.47/7,147,237.08 - Step 6: Final answer
x = 5,360,132.90
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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.