Finding the Fourth Proportional to 10,130,258.70, 15,182,485.65 and 4,139,858.70
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Solution
The fourth proportional to 10,130,258.70, 15,182,485.65 and 4,139,858.70 is: 6,204,515.32
Step by Step Solution
- Step 1: Write the proportion equation
10,130,258.70 : 15,182,485.65 = 4,139,858.70 : x - Step 2: Convert to fraction form
10,130,258.70/15,182,485.65 = 4,139,858.70/x - Step 3: Cross multiply
10,130,258.70x = 15,182,485.65 × 4,139,858.70 - Step 4: Simplify right side
10,130,258.70x = 62,853,345,305,777.66 - Step 5: Solve for x
x = 62,853,345,305,777.66/10,130,258.70 - Step 6: Final answer
x = 6,204,515.32
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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.