Finding the Fourth Proportional to 14,268,909.72, 19,691,036.28 and 8,472,463.04
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Solution
The fourth proportional to 14,268,909.72, 19,691,036.28 and 8,472,463.04 is: 11,691,963.88
Step by Step Solution
- Step 1: Write the proportion equation
14,268,909.72 : 19,691,036.28 = 8,472,463.04 : x - Step 2: Convert to fraction form
14,268,909.72/19,691,036.28 = 8,472,463.04/x - Step 3: Cross multiply
14,268,909.72x = 19,691,036.28 × 8,472,463.04 - Step 4: Simplify right side
14,268,909.72x = 166,831,577,101,599.09 - Step 5: Solve for x
x = 166,831,577,101,599.09/14,268,909.72 - Step 6: Final answer
x = 11,691,963.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.