Finding the Fourth Proportional to 13,727,259.05, 18,943,610.14 and 7,532,346.45
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Solution
The fourth proportional to 13,727,259.05, 18,943,610.14 and 7,532,346.45 is: 10,394,634.07
Step by Step Solution
- Step 1: Write the proportion equation
13,727,259.05 : 18,943,610.14 = 7,532,346.45 : x - Step 2: Convert to fraction form
13,727,259.05/18,943,610.14 = 7,532,346.45/x - Step 3: Cross multiply
13,727,259.05x = 18,943,610.14 × 7,532,346.45 - Step 4: Simplify right side
13,727,259.05x = 142,689,834,588,213 - Step 5: Solve for x
x = 142,689,834,588,213/13,727,259.05 - Step 6: Final answer
x = 10,394,634.07
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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.