Finding the Fourth Proportional to 11,025,794.21, 15,214,970.97 and 6,130,911.20
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Solution
The fourth proportional to 11,025,794.21, 15,214,970.97 and 6,130,911.20 is: 8,460,309.90
Step by Step Solution
- Step 1: Write the proportion equation
11,025,794.21 : 15,214,970.97 = 6,130,911.20 : x - Step 2: Convert to fraction form
11,025,794.21/15,214,970.97 = 6,130,911.20/x - Step 3: Cross multiply
11,025,794.21x = 15,214,970.97 × 6,130,911.20 - Step 4: Simplify right side
11,025,794.21x = 93,281,635,851,573.02 - Step 5: Solve for x
x = 93,281,635,851,573.02/11,025,794.21 - Step 6: Final answer
x = 8,460,309.90
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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.