Finding the Fourth Proportional to 11,309,959.92, 15,607,573.08 and 6,153,203.76
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Solution
The fourth proportional to 11,309,959.92, 15,607,573.08 and 6,153,203.76 is: 8,491,327.82
Step by Step Solution
- Step 1: Write the proportion equation
11,309,959.92 : 15,607,573.08 = 6,153,203.76 : x - Step 2: Convert to fraction form
11,309,959.92/15,607,573.08 = 6,153,203.76/x - Step 3: Cross multiply
11,309,959.92x = 15,607,573.08 × 6,153,203.76 - Step 4: Simplify right side
11,309,959.92x = 96,036,577,360,330.78 - Step 5: Solve for x
x = 96,036,577,360,330.78/11,309,959.92 - Step 6: Final answer
x = 8,491,327.82
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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.