Finding the Fourth Proportional to 8,724,128.68, 13,049,743.15 and 6,130,251.73
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Solution
The fourth proportional to 8,724,128.68, 13,049,743.15 and 6,130,251.73 is: 9,169,765.08
Step by Step Solution
- Step 1: Write the proportion equation
8,724,128.68 : 13,049,743.15 = 6,130,251.73 : x - Step 2: Convert to fraction form
8,724,128.68/13,049,743.15 = 6,130,251.73/x - Step 3: Cross multiply
8,724,128.68x = 13,049,743.15 × 6,130,251.73 - Step 4: Simplify right side
8,724,128.68x = 79,998,210,521,343.16 - Step 5: Solve for x
x = 79,998,210,521,343.16/8,724,128.68 - Step 6: Final answer
x = 9,169,765.08
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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.