Finding the Fourth Proportional to 29,685,660.10, 40,966,045.05 and 16,808,604.10
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Solution
The fourth proportional to 29,685,660.10, 40,966,045.05 and 16,808,604.10 is: 23,195,779.73
Step by Step Solution
- Step 1: Write the proportion equation
29,685,660.10 : 40,966,045.05 = 16,808,604.10 : x - Step 2: Convert to fraction form
29,685,660.10/40,966,045.05 = 16,808,604.10/x - Step 3: Cross multiply
29,685,660.10x = 40,966,045.05 × 16,808,604.10 - Step 4: Simplify right side
29,685,660.10x = 688,582,032,788,214.75 - Step 5: Solve for x
x = 688,582,032,788,214.75/29,685,660.10 - Step 6: Final answer
x = 23,195,779.73
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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.