Finding the Fourth Proportional to 7,576,652.04, 10,455,648.66 and 4,138,804.68
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Solution
The fourth proportional to 7,576,652.04, 10,455,648.66 and 4,138,804.68 is: 5,711,478.81
Step by Step Solution
- Step 1: Write the proportion equation
7,576,652.04 : 10,455,648.66 = 4,138,804.68 : x - Step 2: Convert to fraction form
7,576,652.04/10,455,648.66 = 4,138,804.68/x - Step 3: Cross multiply
7,576,652.04x = 10,455,648.66 × 4,138,804.68 - Step 4: Simplify right side
7,576,652.04x = 43,273,887,606,443.73 - Step 5: Solve for x
x = 43,273,887,606,443.73/7,576,652.04 - Step 6: Final answer
x = 5,711,478.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.