Finding the Fourth Proportional to 9,999,916.99, 15,000,761.51 and 2,811,513.45
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Solution
The fourth proportional to 9,999,916.99, 15,000,761.51 and 2,811,513.45 is: 4,217,519.28
Step by Step Solution
- Step 1: Write the proportion equation
9,999,916.99 : 15,000,761.51 = 2,811,513.45 : x - Step 2: Convert to fraction form
9,999,916.99/15,000,761.51 = 2,811,513.45/x - Step 3: Cross multiply
9,999,916.99x = 15,000,761.51 × 2,811,513.45 - Step 4: Simplify right side
9,999,916.99x = 42,174,842,745,607.31 - Step 5: Solve for x
x = 42,174,842,745,607.31/9,999,916.99 - Step 6: Final answer
x = 4,217,519.28
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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.