Finding the Fourth Proportional to 13,063,465.07, 18,028,197.11 and 7,262,343.76
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Solution
The fourth proportional to 13,063,465.07, 18,028,197.11 and 7,262,343.76 is: 10,022,376.46
Step by Step Solution
- Step 1: Write the proportion equation
13,063,465.07 : 18,028,197.11 = 7,262,343.76 : x - Step 2: Convert to fraction form
13,063,465.07/18,028,197.11 = 7,262,343.76/x - Step 3: Cross multiply
13,063,465.07x = 18,028,197.11 × 7,262,343.76 - Step 4: Simplify right side
13,063,465.07x = 130,926,964,785,858.53 - Step 5: Solve for x
x = 130,926,964,785,858.53/13,063,465.07 - Step 6: Final answer
x = 10,022,376.46
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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.