Finding the Fourth Proportional to 19,644,881.18, 29,467,114.41 and 7,677,513.50
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Solution
The fourth proportional to 19,644,881.18, 29,467,114.41 and 7,677,513.50 is: 11,516,189.21
Step by Step Solution
- Step 1: Write the proportion equation
19,644,881.18 : 29,467,114.41 = 7,677,513.50 : x - Step 2: Convert to fraction form
19,644,881.18/29,467,114.41 = 7,677,513.50/x - Step 3: Cross multiply
19,644,881.18x = 29,467,114.41 × 7,677,513.50 - Step 4: Simplify right side
19,644,881.18x = 226,234,168,688,819.53 - Step 5: Solve for x
x = 226,234,168,688,819.53/19,644,881.18 - Step 6: Final answer
x = 11,516,189.21
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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.