Finding the Fourth Proportional to 13,706,750.13, 18,915,315.17 and 7,595,178.63
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Solution
The fourth proportional to 13,706,750.13, 18,915,315.17 and 7,595,178.63 is: 10,481,346.50
Step by Step Solution
- Step 1: Write the proportion equation
13,706,750.13 : 18,915,315.17 = 7,595,178.63 : x - Step 2: Convert to fraction form
13,706,750.13/18,915,315.17 = 7,595,178.63/x - Step 3: Cross multiply
13,706,750.13x = 18,915,315.17 × 7,595,178.63 - Step 4: Simplify right side
13,706,750.13x = 143,665,197,558,898.84 - Step 5: Solve for x
x = 143,665,197,558,898.84/13,706,750.13 - Step 6: Final answer
x = 10,481,346.50
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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.