Finding the Fourth Proportional to 11,230,565.95, 15,498,889.67 and 6,334,001.47
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Solution
The fourth proportional to 11,230,565.95, 15,498,889.67 and 6,334,001.47 is: 8,741,321.70
Step by Step Solution
- Step 1: Write the proportion equation
11,230,565.95 : 15,498,889.67 = 6,334,001.47 : x - Step 2: Convert to fraction form
11,230,565.95/15,498,889.67 = 6,334,001.47/x - Step 3: Cross multiply
11,230,565.95x = 15,498,889.67 × 6,334,001.47 - Step 4: Simplify right side
11,230,565.95x = 98,169,989,843,983.34 - Step 5: Solve for x
x = 98,169,989,843,983.34/11,230,565.95 - Step 6: Final answer
x = 8,741,321.70
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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.