Finding the Fourth Proportional to 10,497,997.13, 15,746,995.89 and 2,519,821.13
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Solution
The fourth proportional to 10,497,997.13, 15,746,995.89 and 2,519,821.13 is: 3,779,731.74
Step by Step Solution
- Step 1: Write the proportion equation
10,497,997.13 : 15,746,995.89 = 2,519,821.13 : x - Step 2: Convert to fraction form
10,497,997.13/15,746,995.89 = 2,519,821.13/x - Step 3: Cross multiply
10,497,997.13x = 15,746,995.89 × 2,519,821.13 - Step 4: Simplify right side
10,497,997.13x = 39,679,612,898,910.18 - Step 5: Solve for x
x = 39,679,612,898,910.18/10,497,997.13 - Step 6: Final answer
x = 3,779,731.74
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1.5x scale
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.