Finding the Fourth Proportional to 12,257,190.44, 16,914,376.95 and 7,026,448.70
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Solution
The fourth proportional to 12,257,190.44, 16,914,376.95 and 7,026,448.70 is: 9,696,186.29
Step by Step Solution
- Step 1: Write the proportion equation
12,257,190.44 : 16,914,376.95 = 7,026,448.70 : x - Step 2: Convert to fraction form
12,257,190.44/16,914,376.95 = 7,026,448.70/x - Step 3: Cross multiply
12,257,190.44x = 16,914,376.95 × 7,026,448.70 - Step 4: Simplify right side
12,257,190.44x = 118,848,001,931,637.47 - Step 5: Solve for x
x = 118,848,001,931,637.47/12,257,190.44 - Step 6: Final answer
x = 9,696,186.29
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1.5x scale
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.