Finding the Fourth Proportional to 11,807,878.24, 16,294,901.56 and 6,847,281.12
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Solution
The fourth proportional to 11,807,878.24, 16,294,901.56 and 6,847,281.12 is: 9,449,265.10
Step by Step Solution
- Step 1: Write the proportion equation
11,807,878.24 : 16,294,901.56 = 6,847,281.12 : x - Step 2: Convert to fraction form
11,807,878.24/16,294,901.56 = 6,847,281.12/x - Step 3: Cross multiply
11,807,878.24x = 16,294,901.56 × 6,847,281.12 - Step 4: Simplify right side
11,807,878.24x = 111,575,771,804,046.55 - Step 5: Solve for x
x = 111,575,771,804,046.55/11,807,878.24 - Step 6: Final answer
x = 9,449,265.10
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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.