Finding the Fourth Proportional to 11,025,795.71, 15,214,973.04 and 6,130,912.70
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Solution
The fourth proportional to 11,025,795.71, 15,214,973.04 and 6,130,912.70 is: 8,460,311.97
Step by Step Solution
- Step 1: Write the proportion equation
11,025,795.71 : 15,214,973.04 = 6,130,912.70 : x - Step 2: Convert to fraction form
11,025,795.71/15,214,973.04 = 6,130,912.70/x - Step 3: Cross multiply
11,025,795.71x = 15,214,973.04 × 6,130,912.70 - Step 4: Simplify right side
11,025,795.71x = 93,281,671,365,018.73 - Step 5: Solve for x
x = 93,281,671,365,018.73/11,025,795.71 - Step 6: Final answer
x = 8,460,311.97
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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.