Finding the Fourth Proportional to 12,710,390.24, 17,540,507.76 and 6,909,260.96
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Solution
The fourth proportional to 12,710,390.24, 17,540,507.76 and 6,909,260.96 is: 9,534,872.12
Step by Step Solution
- Step 1: Write the proportion equation
12,710,390.24 : 17,540,507.76 = 6,909,260.96 : x - Step 2: Convert to fraction form
12,710,390.24/17,540,507.76 = 6,909,260.96/x - Step 3: Cross multiply
12,710,390.24x = 17,540,507.76 × 6,909,260.96 - Step 4: Simplify right side
12,710,390.24x = 121,191,945,484,745.06 - Step 5: Solve for x
x = 121,191,945,484,745.06/12,710,390.24 - Step 6: Final answer
x = 9,534,872.12
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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.