Finding the Fourth Proportional to 10,109,923.80, 15,164,885.70 and 6,283,548.60
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Solution
The fourth proportional to 10,109,923.80, 15,164,885.70 and 6,283,548.60 is: 9,425,322.90
Step by Step Solution
- Step 1: Write the proportion equation
10,109,923.80 : 15,164,885.70 = 6,283,548.60 : x - Step 2: Convert to fraction form
10,109,923.80/15,164,885.70 = 6,283,548.60/x - Step 3: Cross multiply
10,109,923.80x = 15,164,885.70 × 6,283,548.60 - Step 4: Simplify right side
10,109,923.80x = 95,289,296,309,395.02 - Step 5: Solve for x
x = 95,289,296,309,395.02/10,109,923.80 - Step 6: Final answer
x = 9,425,322.90
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1.5x scale
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.