Finding the Fourth Proportional to 22,807,278.24, 31,474,056.72 and 12,494,374.56
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Solution
The fourth proportional to 22,807,278.24, 31,474,056.72 and 12,494,374.56 is: 17,242,243.88
Step by Step Solution
- Step 1: Write the proportion equation
22,807,278.24 : 31,474,056.72 = 12,494,374.56 : x - Step 2: Convert to fraction form
22,807,278.24/31,474,056.72 = 12,494,374.56/x - Step 3: Cross multiply
22,807,278.24x = 31,474,056.72 × 12,494,374.56 - Step 4: Simplify right side
22,807,278.24x = 393,248,653,582,365.06 - Step 5: Solve for x
x = 393,248,653,582,365.06/22,807,278.24 - Step 6: Final answer
x = 17,242,243.88
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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.