Finding the Fourth Proportional to 7,907,203.23, 10,911,966.02 and 4,422,601.75
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Solution
The fourth proportional to 7,907,203.23, 10,911,966.02 and 4,422,601.75 is: 6,103,204.71
Step by Step Solution
- Step 1: Write the proportion equation
7,907,203.23 : 10,911,966.02 = 4,422,601.75 : x - Step 2: Convert to fraction form
7,907,203.23/10,911,966.02 = 4,422,601.75/x - Step 3: Cross multiply
7,907,203.23x = 10,911,966.02 × 4,422,601.75 - Step 4: Simplify right side
7,907,203.23x = 48,259,280,015,992.53 - Step 5: Solve for x
x = 48,259,280,015,992.53/7,907,203.23 - Step 6: Final answer
x = 6,103,204.71
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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.