Finding the Fourth Proportional to 46,413,569.40, 69,612,632.18 and 14,057,779.20
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Solution
The fourth proportional to 46,413,569.40, 69,612,632.18 and 14,057,779.20 is: 21,084,329.98
Step by Step Solution
- Step 1: Write the proportion equation
46,413,569.40 : 69,612,632.18 = 14,057,779.20 : x - Step 2: Convert to fraction form
46,413,569.40/69,612,632.18 = 14,057,779.20/x - Step 3: Cross multiply
46,413,569.40x = 69,612,632.18 × 14,057,779.20 - Step 4: Simplify right side
46,413,569.40x = 978,599,012,717,254.75 - Step 5: Solve for x
x = 978,599,012,717,254.75/46,413,569.40 - Step 6: Final answer
x = 21,084,329.98
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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.