Finding the Fourth Proportional to 11,221,368.08, 16,807,693.20 and 6,890,271.56
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Solution
The fourth proportional to 11,221,368.08, 16,807,693.20 and 6,890,271.56 is: 10,320,450.20
Step by Step Solution
- Step 1: Write the proportion equation
11,221,368.08 : 16,807,693.20 = 6,890,271.56 : x - Step 2: Convert to fraction form
11,221,368.08/16,807,693.20 = 6,890,271.56/x - Step 3: Cross multiply
11,221,368.08x = 16,807,693.20 × 6,890,271.56 - Step 4: Simplify right side
11,221,368.08x = 115,809,570,445,165.38 - Step 5: Solve for x
x = 115,809,570,445,165.38/11,221,368.08 - Step 6: Final answer
x = 10,320,450.20
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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.