Finding the Fourth Proportional to 7,137,811.14, 9,850,191.84 and 3,874,628.07
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Solution
The fourth proportional to 7,137,811.14, 9,850,191.84 and 3,874,628.07 is: 5,346,993.50
Step by Step Solution
- Step 1: Write the proportion equation
7,137,811.14 : 9,850,191.84 = 3,874,628.07 : x - Step 2: Convert to fraction form
7,137,811.14/9,850,191.84 = 3,874,628.07/x - Step 3: Cross multiply
7,137,811.14x = 9,850,191.84 × 3,874,628.07 - Step 4: Simplify right side
7,137,811.14x = 38,165,829,798,148.95 - Step 5: Solve for x
x = 38,165,829,798,148.95/7,137,811.14 - Step 6: Final answer
x = 5,346,993.50
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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.