Finding the Fourth Proportional to 23,107,331.46, 31,889,113.86 and 12,794,054.55
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Solution
The fourth proportional to 23,107,331.46, 31,889,113.86 and 12,794,054.55 is: 17,656,346.99
Step by Step Solution
- Step 1: Write the proportion equation
23,107,331.46 : 31,889,113.86 = 12,794,054.55 : x - Step 2: Convert to fraction form
23,107,331.46/31,889,113.86 = 12,794,054.55/x - Step 3: Cross multiply
23,107,331.46x = 31,889,113.86 × 12,794,054.55 - Step 4: Simplify right side
23,107,331.46x = 407,991,062,276,001.06 - Step 5: Solve for x
x = 407,991,062,276,001.06/23,107,331.46 - Step 6: Final answer
x = 17,656,346.99
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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.