Finding the Fourth Proportional to 7,120,806.66, 9,832,345.14 and 6,576,724.80
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Solution
The fourth proportional to 7,120,806.66, 9,832,345.14 and 6,576,724.80 is: 9,081,081.85
Step by Step Solution
- Step 1: Write the proportion equation
7,120,806.66 : 9,832,345.14 = 6,576,724.80 : x - Step 2: Convert to fraction form
7,120,806.66/9,832,345.14 = 6,576,724.80/x - Step 3: Cross multiply
7,120,806.66x = 9,832,345.14 × 6,576,724.80 - Step 4: Simplify right side
7,120,806.66x = 64,664,628,124,397.48 - Step 5: Solve for x
x = 64,664,628,124,397.48/7,120,806.66 - Step 6: Final answer
x = 9,081,081.85
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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.