Finding the Fourth Proportional to 10,437,315.99, 15,639,994.86 and 4,368,743.64
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Solution
The fourth proportional to 10,437,315.99, 15,639,994.86 and 4,368,743.64 is: 6,546,427.08
Step by Step Solution
- Step 1: Write the proportion equation
10,437,315.99 : 15,639,994.86 = 4,368,743.64 : x - Step 2: Convert to fraction form
10,437,315.99/15,639,994.86 = 4,368,743.64/x - Step 3: Cross multiply
10,437,315.99x = 15,639,994.86 × 4,368,743.64 - Step 4: Simplify right side
10,437,315.99x = 68,327,128,057,874.89 - Step 5: Solve for x
x = 68,327,128,057,874.89/10,437,315.99 - Step 6: Final answer
x = 6,546,427.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.