Finding the Fourth Proportional to 34,319,532.09, 47,349,430.61 and 19,432,821.31
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Solution
The fourth proportional to 34,319,532.09, 47,349,430.61 and 19,432,821.31 is: 26,810,768.32
Step by Step Solution
- Step 1: Write the proportion equation
34,319,532.09 : 47,349,430.61 = 19,432,821.31 : x - Step 2: Convert to fraction form
34,319,532.09/47,349,430.61 = 19,432,821.31/x - Step 3: Cross multiply
34,319,532.09x = 47,349,430.61 × 19,432,821.31 - Step 4: Simplify right side
34,319,532.09x = 920,133,023,958,836.62 - Step 5: Solve for x
x = 920,133,023,958,836.62/34,319,532.09 - Step 6: Final answer
x = 26,810,768.32
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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.