Finding the Fourth Proportional to 10,787,775.70, 16,181,663.55 and 2,809,599.70
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Solution
The fourth proportional to 10,787,775.70, 16,181,663.55 and 2,809,599.70 is: 4,214,399.55
Step by Step Solution
- Step 1: Write the proportion equation
10,787,775.70 : 16,181,663.55 = 2,809,599.70 : x - Step 2: Convert to fraction form
10,787,775.70/16,181,663.55 = 2,809,599.70/x - Step 3: Cross multiply
10,787,775.70x = 16,181,663.55 × 2,809,599.70 - Step 4: Simplify right side
10,787,775.70x = 45,463,997,055,580.94 - Step 5: Solve for x
x = 45,463,997,055,580.94/10,787,775.70 - Step 6: Final answer
x = 4,214,399.55
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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.