Finding the Fourth Proportional to 29,123,208.74, 40,190,882.19 and 15,893,239.87
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Solution
The fourth proportional to 29,123,208.74, 40,190,882.19 and 15,893,239.87 is: 21,933,137.14
Step by Step Solution
- Step 1: Write the proportion equation
29,123,208.74 : 40,190,882.19 = 15,893,239.87 : x - Step 2: Convert to fraction form
29,123,208.74/40,190,882.19 = 15,893,239.87/x - Step 3: Cross multiply
29,123,208.74x = 40,190,882.19 × 15,893,239.87 - Step 4: Simplify right side
29,123,208.74x = 638,763,331,232,580.88 - Step 5: Solve for x
x = 638,763,331,232,580.88/29,123,208.74 - Step 6: Final answer
x = 21,933,137.14
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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.