Finding the Fourth Proportional to 39,164,284.05, 58,746,415.14 and 12,237,940.05
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Solution
The fourth proportional to 39,164,284.05, 58,746,415.14 and 12,237,940.05 is: 18,356,906.66
Step by Step Solution
- Step 1: Write the proportion equation
39,164,284.05 : 58,746,415.14 = 12,237,940.05 : x - Step 2: Convert to fraction form
39,164,284.05/58,746,415.14 = 12,237,940.05/x - Step 3: Cross multiply
39,164,284.05x = 58,746,415.14 × 12,237,940.05 - Step 4: Simplify right side
39,164,284.05x = 718,935,106,635,732.38 - Step 5: Solve for x
x = 718,935,106,635,732.38/39,164,284.05 - Step 6: Final answer
x = 18,356,906.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.