Finding the Fourth Proportional to 19,468,698.98, 29,182,455.09 and 7,332,911.65
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Solution
The fourth proportional to 19,468,698.98, 29,182,455.09 and 7,332,911.65 is: 10,991,610.95
Step by Step Solution
- Step 1: Write the proportion equation
19,468,698.98 : 29,182,455.09 = 7,332,911.65 : x - Step 2: Convert to fraction form
19,468,698.98/29,182,455.09 = 7,332,911.65/x - Step 3: Cross multiply
19,468,698.98x = 29,182,455.09 × 7,332,911.65 - Step 4: Simplify right side
19,468,698.98x = 213,992,364,905,062.81 - Step 5: Solve for x
x = 213,992,364,905,062.81/19,468,698.98 - Step 6: Final answer
x = 10,991,610.95
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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.