Finding the Fourth Proportional to 9,858,177.62, 14,774,048.55 and 7,672,386.65
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Solution
The fourth proportional to 9,858,177.62, 14,774,048.55 and 7,672,386.65 is: 11,498,292.81
Step by Step Solution
- Step 1: Write the proportion equation
9,858,177.62 : 14,774,048.55 = 7,672,386.65 : x - Step 2: Convert to fraction form
9,858,177.62/14,774,048.55 = 7,672,386.65/x - Step 3: Cross multiply
9,858,177.62x = 14,774,048.55 × 7,672,386.65 - Step 4: Simplify right side
9,858,177.62x = 113,352,212,843,717.70 - Step 5: Solve for x
x = 113,352,212,843,717.70/9,858,177.62 - Step 6: Final answer
x = 11,498,292.81
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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.