Finding the Fourth Proportional to 14,077,990.32, 19,427,626.64 and 7,639,462.32
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Solution
The fourth proportional to 14,077,990.32, 19,427,626.64 and 7,639,462.32 is: 10,542,458.00
Step by Step Solution
- Step 1: Write the proportion equation
14,077,990.32 : 19,427,626.64 = 7,639,462.32 : x - Step 2: Convert to fraction form
14,077,990.32/19,427,626.64 = 7,639,462.32/x - Step 3: Cross multiply
14,077,990.32x = 19,427,626.64 × 7,639,462.32 - Step 4: Simplify right side
14,077,990.32x = 148,416,621,645,110.91 - Step 5: Solve for x
x = 148,416,621,645,110.91/14,077,990.32 - Step 6: Final answer
x = 10,542,458.00
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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.