Finding the Fourth Proportional to 53,977,470.72, 74,521,307.52 and 33,378,535.68
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Solution
The fourth proportional to 53,977,470.72, 74,521,307.52 and 33,378,535.68 is: 46,082,413.44
Step by Step Solution
- Step 1: Write the proportion equation
53,977,470.72 : 74,521,307.52 = 33,378,535.68 : x - Step 2: Convert to fraction form
53,977,470.72/74,521,307.52 = 33,378,535.68/x - Step 3: Cross multiply
53,977,470.72x = 74,521,307.52 × 33,378,535.68 - Step 4: Simplify right side
53,977,470.72x = 2,487,412,121,976,572 - Step 5: Solve for x
x = 2,487,412,121,976,572/53,977,470.72 - Step 6: Final answer
x = 46,082,413.44
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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.