Finding the Fourth Proportional to 14,078,104.13, 19,427,783.70 and 7,639,576.13
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Solution
The fourth proportional to 14,078,104.13, 19,427,783.70 and 7,639,576.13 is: 10,542,615.06
Step by Step Solution
- Step 1: Write the proportion equation
14,078,104.13 : 19,427,783.70 = 7,639,576.13 : x - Step 2: Convert to fraction form
14,078,104.13/19,427,783.70 = 7,639,576.13/x - Step 3: Cross multiply
14,078,104.13x = 19,427,783.70 × 7,639,576.13 - Step 4: Simplify right side
14,078,104.13x = 148,420,032,516,184.16 - Step 5: Solve for x
x = 148,420,032,516,184.16/14,078,104.13 - Step 6: Final answer
x = 10,542,615.06
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1.5x scale
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.