Finding the Fourth Proportional to 14,086,122.10, 21,130,167.30 and 5,565,351.40
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Solution
The fourth proportional to 14,086,122.10, 21,130,167.30 and 5,565,351.40 is: 8,348,415.93
Step by Step Solution
- Step 1: Write the proportion equation
14,086,122.10 : 21,130,167.30 = 5,565,351.40 : x - Step 2: Convert to fraction form
14,086,122.10/21,130,167.30 = 5,565,351.40/x - Step 3: Cross multiply
14,086,122.10x = 21,130,167.30 × 5,565,351.40 - Step 4: Simplify right side
14,086,122.10x = 117,596,806,165,289.23 - Step 5: Solve for x
x = 117,596,806,165,289.23/14,086,122.10 - Step 6: Final answer
x = 8,348,415.93
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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.