Finding the Fourth Proportional to 10,126,712.93, 13,974,880.79 and 5,480,502.09
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Solution
The fourth proportional to 10,126,712.93, 13,974,880.79 and 5,480,502.09 is: 7,563,102.06
Step by Step Solution
- Step 1: Write the proportion equation
10,126,712.93 : 13,974,880.79 = 5,480,502.09 : x - Step 2: Convert to fraction form
10,126,712.93/13,974,880.79 = 5,480,502.09/x - Step 3: Cross multiply
10,126,712.93x = 13,974,880.79 × 5,480,502.09 - Step 4: Simplify right side
10,126,712.93x = 76,589,363,456,304.36 - Step 5: Solve for x
x = 76,589,363,456,304.36/10,126,712.93 - Step 6: Final answer
x = 7,563,102.06
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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.