Finding the Fourth Proportional to 7,724,808.02, 11,587,212.06 and 4,119,652.70
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Solution
The fourth proportional to 7,724,808.02, 11,587,212.06 and 4,119,652.70 is: 6,179,479.07
Step by Step Solution
- Step 1: Write the proportion equation
7,724,808.02 : 11,587,212.06 = 4,119,652.70 : x - Step 2: Convert to fraction form
7,724,808.02/11,587,212.06 = 4,119,652.70/x - Step 3: Cross multiply
7,724,808.02x = 11,587,212.06 × 4,119,652.70 - Step 4: Simplify right side
7,724,808.02x = 47,735,289,448,451.56 - Step 5: Solve for x
x = 47,735,289,448,451.56/7,724,808.02 - Step 6: Final answer
x = 6,179,479.07
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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.