Finding the Fourth Proportional to 10,261,568.97, 14,160,966.30 and 5,615,355.00
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Solution
The fourth proportional to 10,261,568.97, 14,160,966.30 and 5,615,355.00 is: 7,749,190.50
Step by Step Solution
- Step 1: Write the proportion equation
10,261,568.97 : 14,160,966.30 = 5,615,355.00 : x - Step 2: Convert to fraction form
10,261,568.97/14,160,966.30 = 5,615,355.00/x - Step 3: Cross multiply
10,261,568.97x = 14,160,966.30 × 5,615,355.00 - Step 4: Simplify right side
10,261,568.97x = 79,518,852,855,104.56 - Step 5: Solve for x
x = 79,518,852,855,104.56/10,261,568.97 - Step 6: Final answer
x = 7,749,190.50
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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.