Finding the Fourth Proportional to 7,845,373.99, 11,768,178.38 and 2,987,948.75
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Solution
The fourth proportional to 7,845,373.99, 11,768,178.38 and 2,987,948.75 is: 4,481,967.84
Step by Step Solution
- Step 1: Write the proportion equation
7,845,373.99 : 11,768,178.38 = 2,987,948.75 : x - Step 2: Convert to fraction form
7,845,373.99/11,768,178.38 = 2,987,948.75/x - Step 3: Cross multiply
7,845,373.99x = 11,768,178.38 × 2,987,948.75 - Step 4: Simplify right side
7,845,373.99x = 35,162,713,905,811.39 - Step 5: Solve for x
x = 35,162,713,905,811.39/7,845,373.99 - Step 6: Final answer
x = 4,481,967.84
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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.