Finding the Fourth Proportional to 16,201,406.88, 22,347,407.52 and 10,390,985.28
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Solution
The fourth proportional to 16,201,406.88, 22,347,407.52 and 10,390,985.28 is: 14,332,803.58
Step by Step Solution
- Step 1: Write the proportion equation
16,201,406.88 : 22,347,407.52 = 10,390,985.28 : x - Step 2: Convert to fraction form
16,201,406.88/22,347,407.52 = 10,390,985.28/x - Step 3: Cross multiply
16,201,406.88x = 22,347,407.52 × 10,390,985.28 - Step 4: Simplify right side
16,201,406.88x = 232,211,582,586,481.28 - Step 5: Solve for x
x = 232,211,582,586,481.28/16,201,406.88 - Step 6: Final answer
x = 14,332,803.58
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1.5x scale
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.