Finding the Fourth Proportional to 14,087,430.28, 19,430,592.42 and 12,929,632.48
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Solution
The fourth proportional to 14,087,430.28, 19,430,592.42 and 12,929,632.48 is: 17,833,658.37
Step by Step Solution
- Step 1: Write the proportion equation
14,087,430.28 : 19,430,592.42 = 12,929,632.48 : x - Step 2: Convert to fraction form
14,087,430.28/19,430,592.42 = 12,929,632.48/x - Step 3: Cross multiply
14,087,430.28x = 19,430,592.42 × 12,929,632.48 - Step 4: Simplify right side
14,087,430.28x = 251,230,418,859,273.84 - Step 5: Solve for x
x = 251,230,418,859,273.84/14,087,430.28 - Step 6: Final answer
x = 17,833,658.37
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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.