Finding the Fourth Proportional to 7,855,457.06, 10,840,360.73 and 4,547,890.75
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Solution
The fourth proportional to 7,855,457.06, 10,840,360.73 and 4,547,890.75 is: 6,275,990.81
Step by Step Solution
- Step 1: Write the proportion equation
7,855,457.06 : 10,840,360.73 = 4,547,890.75 : x - Step 2: Convert to fraction form
7,855,457.06/10,840,360.73 = 4,547,890.75/x - Step 3: Cross multiply
7,855,457.06x = 10,840,360.73 × 4,547,890.75 - Step 4: Simplify right side
7,855,457.06x = 49,300,776,274,899.07 - Step 5: Solve for x
x = 49,300,776,274,899.07/7,855,457.06 - Step 6: Final answer
x = 6,275,990.81
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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.