Finding the Fourth Proportional to 13,474,260.09, 18,594,526.46 and 7,362,688.59
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Solution
The fourth proportional to 13,474,260.09, 18,594,526.46 and 7,362,688.59 is: 10,160,536.23
Step by Step Solution
- Step 1: Write the proportion equation
13,474,260.09 : 18,594,526.46 = 7,362,688.59 : x - Step 2: Convert to fraction form
13,474,260.09/18,594,526.46 = 7,362,688.59/x - Step 3: Cross multiply
13,474,260.09x = 18,594,526.46 × 7,362,688.59 - Step 4: Simplify right side
13,474,260.09x = 136,905,707,766,681.62 - Step 5: Solve for x
x = 136,905,707,766,681.62/13,474,260.09 - Step 6: Final answer
x = 10,160,536.23
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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.