Finding the Fourth Proportional to 17,768,867.64, 26,654,928.05 and 4,989,286.23
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Solution
The fourth proportional to 17,768,867.64, 26,654,928.05 and 4,989,286.23 is: 7,484,386.07
Step by Step Solution
- Step 1: Write the proportion equation
17,768,867.64 : 26,654,928.05 = 4,989,286.23 : x - Step 2: Convert to fraction form
17,768,867.64/26,654,928.05 = 4,989,286.23/x - Step 3: Cross multiply
17,768,867.64x = 26,654,928.05 × 4,989,286.23 - Step 4: Simplify right side
17,768,867.64x = 132,989,065,481,505.77 - Step 5: Solve for x
x = 132,989,065,481,505.77/17,768,867.64 - Step 6: Final answer
x = 7,484,386.07
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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.