Finding the Fourth Proportional to 14,077,991.06, 19,427,627.68 and 7,639,463.06
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Solution
The fourth proportional to 14,077,991.06, 19,427,627.68 and 7,639,463.06 is: 10,542,459.03
Step by Step Solution
- Step 1: Write the proportion equation
14,077,991.06 : 19,427,627.68 = 7,639,463.06 : x - Step 2: Convert to fraction form
14,077,991.06/19,427,627.68 = 7,639,463.06/x - Step 3: Cross multiply
14,077,991.06x = 19,427,627.68 × 7,639,463.06 - Step 4: Simplify right side
14,077,991.06x = 148,416,644,034,263.91 - Step 5: Solve for x
x = 148,416,644,034,263.91/14,077,991.06 - Step 6: Final answer
x = 10,542,459.03
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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.