Finding the Fourth Proportional to 10,440,771.81, 15,659,291.24 and 6,642,973.41
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Solution
The fourth proportional to 10,440,771.81, 15,659,291.24 and 6,642,973.41 is: 9,963,272.56
Step by Step Solution
- Step 1: Write the proportion equation
10,440,771.81 : 15,659,291.24 = 6,642,973.41 : x - Step 2: Convert to fraction form
10,440,771.81/15,659,291.24 = 6,642,973.41/x - Step 3: Cross multiply
10,440,771.81x = 15,659,291.24 × 6,642,973.41 - Step 4: Simplify right side
10,440,771.81x = 104,024,255,293,551.06 - Step 5: Solve for x
x = 104,024,255,293,551.06/10,440,771.81 - Step 6: Final answer
x = 9,963,272.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.