Finding the Fourth Proportional to 22,819,284.68, 31,480,716.12 and 15,095,106.86
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Solution
The fourth proportional to 22,819,284.68, 31,480,716.12 and 15,095,106.86 is: 20,824,700.71
Step by Step Solution
- Step 1: Write the proportion equation
22,819,284.68 : 31,480,716.12 = 15,095,106.86 : x - Step 2: Convert to fraction form
22,819,284.68/31,480,716.12 = 15,095,106.86/x - Step 3: Cross multiply
22,819,284.68x = 31,480,716.12 × 15,095,106.86 - Step 4: Simplify right side
22,819,284.68x = 475,204,773,860,724.56 - Step 5: Solve for x
x = 475,204,773,860,724.56/22,819,284.68 - Step 6: Final answer
x = 20,824,700.71
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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.