Finding the Fourth Proportional to 29,110,916.08, 40,172,354.76 and 16,057,889.20
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Solution
The fourth proportional to 29,110,916.08, 40,172,354.76 and 16,057,889.20 is: 22,159,495.77
Step by Step Solution
- Step 1: Write the proportion equation
29,110,916.08 : 40,172,354.76 = 16,057,889.20 : x - Step 2: Convert to fraction form
29,110,916.08/40,172,354.76 = 16,057,889.20/x - Step 3: Cross multiply
29,110,916.08x = 40,172,354.76 × 16,057,889.20 - Step 4: Simplify right side
29,110,916.08x = 645,083,221,639,172.50 - Step 5: Solve for x
x = 645,083,221,639,172.50/29,110,916.08 - Step 6: Final answer
x = 22,159,495.77
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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.