Finding the Fourth Proportional to 10,368,043.70, 15,552,065.55 and 2,795,774.90
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Solution
The fourth proportional to 10,368,043.70, 15,552,065.55 and 2,795,774.90 is: 4,193,662.35
Step by Step Solution
- Step 1: Write the proportion equation
10,368,043.70 : 15,552,065.55 = 2,795,774.90 : x - Step 2: Convert to fraction form
10,368,043.70/15,552,065.55 = 2,795,774.90/x - Step 3: Cross multiply
10,368,043.70x = 15,552,065.55 × 2,795,774.90 - Step 4: Simplify right side
10,368,043.70x = 43,480,074,507,844.70 - Step 5: Solve for x
x = 43,480,074,507,844.70/10,368,043.70 - Step 6: Final answer
x = 4,193,662.35
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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.