Finding the Fourth Proportional to 7,462,427.40, 11,185,346.70 and 3,201,870.60
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Solution
The fourth proportional to 7,462,427.40, 11,185,346.70 and 3,201,870.60 is: 4,799,247.06
Step by Step Solution
- Step 1: Write the proportion equation
7,462,427.40 : 11,185,346.70 = 3,201,870.60 : x - Step 2: Convert to fraction form
7,462,427.40/11,185,346.70 = 3,201,870.60/x - Step 3: Cross multiply
7,462,427.40x = 11,185,346.70 × 3,201,870.60 - Step 4: Simplify right side
7,462,427.40x = 35,814,032,749,537.02 - Step 5: Solve for x
x = 35,814,032,749,537.02/7,462,427.40 - Step 6: Final answer
x = 4,799,247.06
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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.