Finding the Fourth Proportional to 7,043,719.14, 9,715,301.73 and 6,464,820.24
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Solution
The fourth proportional to 7,043,719.14, 9,715,301.73 and 6,464,820.24 is: 8,916,834.70
Step by Step Solution
- Step 1: Write the proportion equation
7,043,719.14 : 9,715,301.73 = 6,464,820.24 : x - Step 2: Convert to fraction form
7,043,719.14/9,715,301.73 = 6,464,820.24/x - Step 3: Cross multiply
7,043,719.14x = 9,715,301.73 × 6,464,820.24 - Step 4: Simplify right side
7,043,719.14x = 62,807,679,261,811.02 - Step 5: Solve for x
x = 62,807,679,261,811.02/7,043,719.14 - Step 6: Final answer
x = 8,916,834.70
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1.5x scale
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.