Finding the Fourth Proportional to 19,936,648.17, 29,904,972.26 and 4,790,579.67
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Solution
The fourth proportional to 19,936,648.17, 29,904,972.26 and 4,790,579.67 is: 7,185,869.51
Step by Step Solution
- Step 1: Write the proportion equation
19,936,648.17 : 29,904,972.26 = 4,790,579.67 : x - Step 2: Convert to fraction form
19,936,648.17/29,904,972.26 = 4,790,579.67/x - Step 3: Cross multiply
19,936,648.17x = 29,904,972.26 × 4,790,579.67 - Step 4: Simplify right side
19,936,648.17x = 143,262,152,140,669.97 - Step 5: Solve for x
x = 143,262,152,140,669.97/19,936,648.17 - Step 6: Final answer
x = 7,185,869.51
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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.